[Fix]Frame scaled to fill without respecting content mode

[ipavlidakis]

🔗 Issue Links

Resolves https://linear.app/stream/issue/IOS-494/[alfagift]video-track-appears-stretched-when-the-first-join-livestream

📝 Summary

In some cases it appears that the VideoRenderer doesn't respect the provided contentMode and prefers scaleToFill.

🛠 Implementation

This revision disables the VideoRendererReusePool until further investigation to understand why it causes this weird behaviour.

🎨 Showcase

Before	After
before_480.mov	after_480.mov

🧪 Manual Testing Notes

Join multiple livestreams one after another.

☑️ Contributor Checklist

• I have signed the Stream CLA (required)
• This change follows zero ⚠️ policy (required)
• This change should receive manual QA
• Changelog is updated with client-facing changes
• New code is covered by unit tests
• Comparison screenshots added for visual changes
• Affected documentation updated (Docusaurus, tutorial, CMS)

[Stream-SDK-Bot]

SDK Size

title	develop	branch	diff	status
StreamVideo	7.56 MB	7.56 MB	0 KB	🟢
StreamVideoSwiftUI	2.18 MB	2.18 MB	0 KB	🟢
StreamVideoUIKit	2.31 MB	2.31 MB	0 KB	🟢
StreamWebRTC	8.69 MB	8.69 MB	0 KB	🟢

[sonarcloud]

Quality Gate passed

Issues
121 New issues
0 Accepted issues

Measures
0 Security Hotspots
78.9% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud