Fixes Soundtrack language selection button occupies way too much space of other buttons

[wutuobang1011]

What is it?

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

Description of the changes in your PR

• Limited the maximum width of the audio track selection button to prevent it from stretching across the screen.
• Applied text truncation (ellipsis) to long language names to keep the UI compact.
• Adjusted layout to ensure the video title and other control buttons remain visible in both portrait and landscape modes.

Before/After Screenshots/Screen Record

• Before:

• After:

Fixes the following issue(s)

• Fixes Soundtrack language selection button occupies way too much space of other buttons #12581

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.

[litetex]

Already fixed by #12714 & #12699