VirtualViewExperimental - opt out of update if no rect changes (#53255)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/53255

Avoid updates to VirtualViewContainer if the rect dimensions haven't changed.

This is an attempt to simulate what ReactVirtualView does with `checkRectChange`.

Changelog:
[Internal]

Reviewed By: yungsters

Differential Revision: D80182750

fbshipit-source-id: f0f45ac508c1f93e6dbb64ea11c0b44b80d6c3b3