[0.78.1] Handle null values on iOS in new arch interop without release mode crash

[mikehardy]

Target Branch(es)

0.78

Link to commit or PR to be picked

facebook/react-native@619d5df

Description

This is a follow-on to patch null-handling issues in new architecture interop mode

The previous pick on to release-0.78 also carried with it an embedded bug that caused a release mode crash on iOS, and this small follow-on fixes that small extra issue

See facebook/react-native#49873

See previous pick #785

@cipolleschi

[react-native-bot]

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[fabriziocucci]

@react-native-bot merge 619d5df 0.78-stable

[react-native-bot]

✅ Successfully picked up your commit facebook/react-native@619d5df on the branch https://github.com/facebook/react-native/commits/0.78-stable