Migrate video description and about channel fragments to Jetpack Compose

[Isira-Seneviratne]

What is it?

• [x] Bugfix (user facing)
• [x] Feature (user facing)
• [x] Codebase improvement (dev facing)
• [ ] Meta improvement to the project (dev facing)

Description of the changes in your PR

• Migrate the video description and about channel UIs to Jetpack Compose.
• Fix a crash that occurs when minimizing the app while the about channel UI is open.

Before/After Screenshots/Screen Record

Before	Before	After	After

https://github.com/user-attachments/assets/16e235ec-cedd-42ee-94cc-1594f3823686

Fixes the following issue(s)

• Fixes #

APK testing

The APK can be found by going to the "Checks" tab below the title. On the left pane, click on "CI", scroll down to "artifacts" and click "app" to download the zip file which contains the debug APK of this PR. You can find more info and a video demonstration on this wiki page.

Due diligence

• [x] I read the contribution guidelines.

[Jean-BaptisteC]

I suggest three things on this PR:

• Reduce a little bit size of font
• Use grey color like chip background
• Add ability to scroll to the top just under the video (on little screen, like foldable phone, it's hard to scroll to the video description) -> maybe need to do in a separate PR?

[sonarqubecloud[bot]]

Quality Gate passed

Issues
5 New issues
0 Accepted issues

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

See analysis details on SonarQube Cloud

[TobiGr]

I got a weird behaviour while testing which results in the comments reloading:

1. Open a (YouTube) video
2. Comments tab is open and loaded by default
3. Swipe twice to see related streams and the stream description
4. Swipe back twice or tap on the comments button
5. Comments reload

Further swiping and changing back to the comments tab cause further reloads of the tab. I am currently unable to capture a screenrecording. I'll try this later if you need it.

[Stypox]

@TobiGr yeah that's because comments are not cached anymore... This was a leftover from the comments PR. It's normal for Android tabs to get destroyed at a distance of 2 from the current position.

[Isira-Seneviratne]

Rewriting the video details fragment using Compose should fix it; alternatively, in the short term it could be migrated to using a view model that could be shared with the comment fragment.

[sonarqubecloud[bot]]

Quality Gate passed

Issues
5 New issues
0 Accepted issues

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

See analysis details on SonarQube Cloud