Summary:
On iOS the promised returned by `Share.share(content, options)` isn't resolved if the user dismisses the dialog by either pressing "Cancel" or pressing outside the shared dialog. This PR fixes this issue.
This fixes https://github.com/facebook/react-native/issues/26809.
## Changelog
[iOS] [Fixed] - Fix promised returned by `Share.share(content, options)` not resolving if share dialog dismissed
Pull Request resolved: https://github.com/facebook/react-native/pull/26842
Test Plan:
1. on iOS, open a share dialog with:
```typescript
const onShare = async () => {
const result = await Share.share({ message: 'example message' });
}
```
2. Dismiss the opened share dialog and the returned promised should resolve.
Differential Revision: D18189755
Pulled By: cpojer
fbshipit-source-id: 1269932e9549026afefdaa8478ff7d33bbaeb86f
7468a6c903