fix a regression introduced by fixYogaFlexBasisFitContentInMainAxis feature flag (#56839)

Summary:
X-link: https://github.com/facebook/yoga/pull/1962

Pull Request resolved: https://github.com/facebook/react-native/pull/56839

changelog: [internal]

Limit the FixFlexBasisFitContent height optimization to non-measure container children inside scroll subtrees. This keeps Marketplace Home wrappers outside the ScrollView viewport-bounded while preserving the scroll remeasurement optimization.

This regression was discovered during a recent QE where I tried to run enable this optimisation.

Reviewed By: christophpurrer

Differential Revision: D105167981

fbshipit-source-id: bc988005507ebc1fc1688a8dc77c233e12ac2834