Select: use petab_select method to set estimated parameters

[dilpath]

Possibly a breaking change, if users expect scaled values at petab_select.Model.estimated_parameters, because PEtab Select stores unscaled parameters now.

[codecov-commenter]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (2ae9405) 79.16% compared to head (5700709) 41.50%.

Files	Patch %	Lines
pypesto/select/model_problem.py	0.00%	2 Missing :warning:

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #1287 +/- ## ============================================ - Coverage 79.16% 41.50% -37.67% ============================================ Files 153 153 Lines 12455 12455 ============================================ - Hits 9860 5169 -4691 - Misses 2595 7286 +4691 ```

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