CMCL-0000: Add list of modified objects to SaveDuringPlay dialog

[glabute]

Purpose of this PR

As a small assistance so you know what you're saving.

Testing status

• [ ] Added an automated test
• [ ] Passed all automated tests
• [x] Manually tested

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 15 lines in your changes are missing coverage. Please review.

Project coverage is 27.02%. Comparing base (ab0f4f1) to head (d44fb3b).

Files	Patch %	Lines
...inemachine/Editor/SaveDuringPlay/SaveDuringPlay.cs	0.00%	15 Missing :warning:

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #979      +/-   ##
==========================================
- Coverage   27.03%   27.02%   -0.01%     
==========================================
  Files         248      248              
  Lines       27870    27879       +9     
==========================================
  Hits         7535     7535              
- Misses      20335    20344       +9     

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