fix: thread messages not being autoscrolled on initial load

[isekovanic]

🎯 Goal

A unfortunate regression was introduced with this change, where thread messages were not being scrolled to once loaded properly. The reason for the bug is a bit deeper inside of how FlatList handles prop changes for MVCP specifically, but I won't go into that many details in the description. Simply making sure that we don't exit early if the list is empty with regards to whether scrolling should happen or not (on threads) is enough to work around this impediment.

Should close this issue.

🛠 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

[isekovanic]

@khushal87 please test this out when you can and backport it to V7 as well if it indeed works.

[Stream-SDK-Bot]

SDK Size

title	develop	branch	diff	status
js_bundle_size	279 KB	279 KB	0 B	🟢

[stream-ci-bot]

🎉 This PR is included in version 8.1.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀