Add _logChanges implementation

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 32 lines in your changes are missing coverage. Please review.

Project coverage is 14.76%. Comparing base (0fa2879) to head (5e95b2d).

Files	Patch %	Lines
...s/OpenSwiftUI/View/Debug/ChangedBodyProperty.swift	0.00%	32 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #86 +/- ## ========================================== - Coverage 14.79% 14.76% -0.04% ========================================== Files 190 190 Lines 4664 4674 +10 ========================================== Hits 690 690 - Misses 3974 3984 +10 ```

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