Fabric: Fixes Modal snapshot when closing it (#48252)

Summary:
Fixes https://github.com/facebook/react-native/issues/48245 . The reason is we reuse the modal component and also reuse the snapshot of previous modal.

## Changelog:

[IOS] [FIXED] - Fabric: Fixes Modal snapshot when closing it

Pull Request resolved: https://github.com/facebook/react-native/pull/48252

Test Plan: Repro repo please see Fixes https://github.com/facebook/react-native/issues/48245

Reviewed By: rshest

Differential Revision: D70629570

Pulled By: cipolleschi

fbshipit-source-id: fe97184d2f27283a9c7e6df09e9df35630429ff1