Fix SkinnedMeshRenderer localBounds clone bug

[luzhuang]

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• Tests for the changes have been added (for bug fixes / features)
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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (437b374) 66.88% compared to head (6577e7d) 66.93%.

❗ Current head 6577e7d differs from pull request most recent head ce96052. Consider uploading reports for the commit ce96052 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1838      +/-   ##
==========================================
+ Coverage   66.88%   66.93%   +0.05%     
==========================================
  Files         473      473              
  Lines       23757    23759       +2     
  Branches     3367     3368       +1     
==========================================
+ Hits        15889    15903      +14     
+ Misses       6671     6660      -11     
+ Partials     1197     1196       -1     

Files	Coverage Δ
packages/core/src/clone/CloneManager.ts	78.84% <100.00%> (+0.84%)	⬆️
packages/core/src/clone/ComponentCloner.ts	85.71% <ø> (ø)
packages/core/src/mesh/SkinnedMeshRenderer.ts	64.37% <100.00%> (ø)

... and 3 files with indirect coverage changes

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