feat: update message optimistic updates

[isekovanic]

🎯 Goal

This PR is the RN SDK counterpart of this change.

In addition to the description there, it also:

• Includes optimistic updates for updating a message
• Makes sure the DB is up to date

🛠 Implementation details

🎨 UI Changes

iOS

Before	After

Android

Before	After

🧪 Testing

☑️ Checklist

• I have signed the Stream CLA (required)
• PR targets the develop branch
• Documentation is updated
• New code is tested in main example apps, including all possible scenarios
  • SampleApp iOS and Android
  • Expo iOS and Android

[Stream-SDK-Bot]

SDK Size

title	develop	branch	diff	status
js_bundle_size	347 KB	347 KB	+42 B	🟢