[Cairo 1] Fix handling of return values wrapped in `PanicResult`

[fmoletta]

Now properly accounts for PanicResult enum padding when fetching return values. Removes workaround used to handle this bug in the specific case of array/span returns

[github-actions[bot]]

**Hyper Thereading Benchmark results**

hyperfine -r 2 -n "hyper_threading_main threads: 1" 'RAYON_NUM_THREADS=1 ./hyper_threading_main' -n "hyper_threading_pr threads: 1" 'RAYON_NUM_THREADS=1 ./hyper_threading_pr'
Benchmark 1: hyper_threading_main threads: 1
  Time (mean ± σ):     27.232 s ±  0.006 s    [User: 26.382 s, System: 0.848 s]
  Range (min … max):   27.227 s … 27.236 s    2 runs

Benchmark 2: hyper_threading_pr threads: 1
  Time (mean ± σ):     27.175 s ±  0.048 s    [User: 26.365 s, System: 0.810 s]
  Range (min … max):   27.141 s … 27.210 s    2 runs

Summary
  'hyper_threading_pr threads: 1' ran
    1.00 ± 0.00 times faster than 'hyper_threading_main threads: 1'

hyperfine -r 2 -n "hyper_threading_main threads: 2" 'RAYON_NUM_THREADS=2 ./hyper_threading_main' -n "hyper_threading_pr threads: 2" 'RAYON_NUM_THREADS=2 ./hyper_threading_pr'
Benchmark 1: hyper_threading_main threads: 2
  Time (mean ± σ):     14.764 s ±  0.038 s    [User: 26.864 s, System: 0.824 s]
  Range (min … max):   14.737 s … 14.790 s    2 runs

Benchmark 2: hyper_threading_pr threads: 2
  Time (mean ± σ):     14.763 s ±  0.000 s    [User: 26.836 s, System: 0.832 s]
  Range (min … max):   14.763 s … 14.764 s    2 runs

Summary
  'hyper_threading_pr threads: 2' ran
    1.00 ± 0.00 times faster than 'hyper_threading_main threads: 2'

hyperfine -r 2 -n "hyper_threading_main threads: 4" 'RAYON_NUM_THREADS=4 ./hyper_threading_main' -n "hyper_threading_pr threads: 4" 'RAYON_NUM_THREADS=4 ./hyper_threading_pr'
Benchmark 1: hyper_threading_main threads: 4
  Time (mean ± σ):     11.219 s ±  0.125 s    [User: 38.926 s, System: 0.954 s]
  Range (min … max):   11.131 s … 11.308 s    2 runs

Benchmark 2: hyper_threading_pr threads: 4
  Time (mean ± σ):     11.022 s ±  0.247 s    [User: 39.056 s, System: 0.980 s]
  Range (min … max):   10.848 s … 11.196 s    2 runs

Summary
  'hyper_threading_pr threads: 4' ran
    1.02 ± 0.03 times faster than 'hyper_threading_main threads: 4'

hyperfine -r 2 -n "hyper_threading_main threads: 6" 'RAYON_NUM_THREADS=6 ./hyper_threading_main' -n "hyper_threading_pr threads: 6" 'RAYON_NUM_THREADS=6 ./hyper_threading_pr'
Benchmark 1: hyper_threading_main threads: 6
  Time (mean ± σ):     10.980 s ±  0.264 s    [User: 39.090 s, System: 1.022 s]
  Range (min … max):   10.794 s … 11.167 s    2 runs

Benchmark 2: hyper_threading_pr threads: 6
  Time (mean ± σ):     11.028 s ±  0.239 s    [User: 39.252 s, System: 1.003 s]
  Range (min … max):   10.859 s … 11.196 s    2 runs

Summary
  'hyper_threading_main threads: 6' ran
    1.00 ± 0.03 times faster than 'hyper_threading_pr threads: 6'

hyperfine -r 2 -n "hyper_threading_main threads: 8" 'RAYON_NUM_THREADS=8 ./hyper_threading_main' -n "hyper_threading_pr threads: 8" 'RAYON_NUM_THREADS=8 ./hyper_threading_pr'
Benchmark 1: hyper_threading_main threads: 8
  Time (mean ± σ):     10.683 s ±  0.108 s    [User: 39.615 s, System: 1.106 s]
  Range (min … max):   10.606 s … 10.759 s    2 runs

Benchmark 2: hyper_threading_pr threads: 8
  Time (mean ± σ):     10.772 s ±  0.099 s    [User: 39.350 s, System: 1.057 s]
  Range (min … max):   10.702 s … 10.841 s    2 runs

Summary
  'hyper_threading_main threads: 8' ran
    1.01 ± 0.01 times faster than 'hyper_threading_pr threads: 8'

hyperfine -r 2 -n "hyper_threading_main threads: 16" 'RAYON_NUM_THREADS=16 ./hyper_threading_main' -n "hyper_threading_pr threads: 16" 'RAYON_NUM_THREADS=16 ./hyper_threading_pr'
Benchmark 1: hyper_threading_main threads: 16
  Time (mean ± σ):     10.930 s ±  0.020 s    [User: 39.686 s, System: 1.115 s]
  Range (min … max):   10.915 s … 10.944 s    2 runs

Benchmark 2: hyper_threading_pr threads: 16
  Time (mean ± σ):     10.498 s ±  0.016 s    [User: 39.933 s, System: 1.112 s]
  Range (min … max):   10.487 s … 10.510 s    2 runs

Summary
  'hyper_threading_pr threads: 16' ran
    1.04 ± 0.00 times faster than 'hyper_threading_main threads: 16'

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 97.29730% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 94.79%. Comparing base (f87be4d) to head (a9e6a16).

Files	Patch %	Lines
cairo1-run/src/cairo_run.rs	97.29%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1763 +/- ## ======================================= Coverage 94.79% 94.79% ======================================= Files 101 101 Lines 38723 38743 +20 ======================================= + Hits 36709 36728 +19 - Misses 2014 2015 +1 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

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Benchmark Results for unmodified programs :rocket:

Command	Mean [s]	Min [s]	Max [s]	Relative
base big_factorial	2.040 ± 0.011	2.020	2.063	1.00
head big_factorial	2.044 ± 0.016	2.026	2.072	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base big_fibonacci	2.008 ± 0.047	1.970	2.131	1.01 ± 0.03
head big_fibonacci	1.993 ± 0.023	1.971	2.049	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base blake2s_integration_benchmark	7.575 ± 0.176	7.452	8.064	1.00
head blake2s_integration_benchmark	7.672 ± 0.330	7.490	8.536	1.01 ± 0.05

Command	Mean [s]	Min [s]	Max [s]	Relative
base compare_arrays_200000	2.132 ± 0.026	2.100	2.194	1.01 ± 0.02
head compare_arrays_200000	2.119 ± 0.021	2.094	2.155	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base dict_integration_benchmark	1.419 ± 0.013	1.408	1.445	1.00
head dict_integration_benchmark	1.422 ± 0.009	1.412	1.439	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base field_arithmetic_get_square_benchmark	1.308 ± 0.052	1.274	1.424	1.02 ± 0.04
head field_arithmetic_get_square_benchmark	1.287 ± 0.010	1.273	1.305	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base integration_builtins	7.613 ± 0.116	7.438	7.863	1.00 ± 0.02
head integration_builtins	7.595 ± 0.099	7.487	7.836	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base keccak_integration_benchmark	7.836 ± 0.118	7.728	8.159	1.01 ± 0.03
head keccak_integration_benchmark	7.790 ± 0.170	7.676	8.252	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base linear_search	2.085 ± 0.021	2.067	2.126	1.00
head linear_search	2.086 ± 0.025	2.066	2.145	1.00 ± 0.02

Command	Mean [s]	Min [s]	Max [s]	Relative
base math_cmp_and_pow_integration_benchmark	1.692 ± 0.007	1.679	1.702	1.00
head math_cmp_and_pow_integration_benchmark	1.704 ± 0.031	1.686	1.790	1.01 ± 0.02

Command	Mean [s]	Min [s]	Max [s]	Relative
base math_integration_benchmark	1.603 ± 0.009	1.590	1.620	1.00
head math_integration_benchmark	1.610 ± 0.014	1.596	1.647	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base memory_integration_benchmark	1.210 ± 0.025	1.191	1.264	1.00
head memory_integration_benchmark	1.210 ± 0.018	1.195	1.248	1.00 ± 0.03

Command	Mean [s]	Min [s]	Max [s]	Relative
base operations_with_data_structures_benchmarks	1.806 ± 0.009	1.797	1.828	1.00
head operations_with_data_structures_benchmarks	1.812 ± 0.014	1.797	1.842	1.00 ± 0.01

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
base pedersen	513.1 ± 2.6	508.4	516.6	1.00
head pedersen	516.3 ± 5.4	511.5	529.2	1.01 ± 0.01

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
base poseidon_integration_benchmark	964.3 ± 4.0	957.9	969.9	1.00
head poseidon_integration_benchmark	969.1 ± 8.5	956.1	986.1	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base secp_integration_benchmark	1.891 ± 0.056	1.858	2.033	1.01 ± 0.03
head secp_integration_benchmark	1.869 ± 0.020	1.853	1.911	1.00

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
base set_integration_benchmark	667.3 ± 2.4	664.0	672.4	1.00
head set_integration_benchmark	671.8 ± 9.1	664.0	691.7	1.01 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base uint256_integration_benchmark	4.244 ± 0.035	4.188	4.292	1.00 ± 0.02
head uint256_integration_benchmark	4.238 ± 0.068	4.183	4.403	1.00