Add Apply Enum to MaterialColor.

[bperseghetti]

🦟 Bug fix

Summary

Hindsight 20/20 👓
Adding an Apply enum to change scope of what matching entities material color can be applied to.

Checklist

• Signed all commits for DCO
• Added tests
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• While waiting for a review on your PR, please help review another open pull request to support the maintainers

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (35a267f) 97.67% compared to head (26f02aa) 97.67%.

Additional details and impacted files

@@            Coverage Diff             @@
##           gz-msgs10     #416   +/-   ##
==========================================
  Coverage      97.67%   97.67%           
==========================================
  Files             27       27           
  Lines           1163     1163           
==========================================
  Hits            1136     1136           
  Misses            27       27           

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