Fix #9060: Fix temps crews not reassigning to unmothballed vehicles

[psikomonkie]

Fixes #9060

Save temp crew info in MothballInfo, restore when restoring

[codecov]

Codecov Report

❌ Patch coverage is 0% with 40 lines in your changes missing coverage. Please review.
✅ Project coverage is 15.18%. Comparing base (a361ba0) to head (a1ce961).
⚠️ Report is 30 commits behind head on main.

Files with missing lines	Patch %	Lines
MekHQ/src/mekhq/campaign/unit/MothballInfo.java	0.00%	39 Missing ⚠️
MekHQ/src/mekhq/campaign/unit/Unit.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #9098      +/-   ##
============================================
- Coverage     15.23%   15.18%   -0.05%     
+ Complexity     9305     9298       -7     
============================================
  Files          1304     1305       +1     
  Lines        172518   172960     +442     
  Branches      26063    26149      +86     
============================================
- Hits          26277    26269       -8     
- Misses       143198   143644     +446     
- Partials       3043     3047       +4     

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[Sleet01]

LGTM