Add combineAnimation support

[Kyle-Ye]

Close #462

[codecov]

Codecov Report

❌ Patch coverage is 0% with 51 lines in your changes missing coverage. Please review.
✅ Project coverage is 23.83%. Comparing base (dc1f070) to head (a591a43).

Files with missing lines	Patch %	Lines
...nimation/Animation/DefaultCombiningAnimation.swift	0.00%	51 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #460      +/-   ##
==========================================
- Coverage   23.86%   23.83%   -0.04%     
==========================================
  Files         468      469       +1     
  Lines       26560    26609      +49     
==========================================
+ Hits         6339     6341       +2     
- Misses      20221    20268      +47     

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