Fix issues with runtime info

[ricab]

• Add back runtime info items that got lost in a rebase.
• Fix logic to decide whether to execute cmds in parallel
• Fix command quoting to avoid collapsing a double space on cpu_times

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 88.80%. Comparing base (2a16af2) to head (3050a6f).

Files	Patch %	Lines
src/daemon/runtime_instance_info_helper.cpp	0.00%	2 Missing :warning:
src/daemon/daemon.cpp	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #3523 +/- ## ========================================== - Coverage 88.82% 88.80% -0.02% ========================================== Files 254 254 Lines 14115 14117 +2 ========================================== Hits 12537 12537 - Misses 1578 1580 +2 ```

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