Let the media widget take all available space

### Feature Description

The option makes the media widget takes as much space as possible and needed.

### Use Case

I want to see the full song title.

### Compositor(s)

- [x] All compositors
- [ ] Niri
- [ ] Hyprland
- [ ] MangoWC (dwl)
- [ ] Sway
- [ ] Other (specify below)

### Proposed Solution

_No response_

### Alternatives/Existing Solutions

_No response_

Start by locating the media widget implementation in the desktop shell and inspect how its available space and song-title text are constrained. Determine the intended behavior across all listed compositors, then verify that enabling the option lets the widget use available space and displays the full song title.

Written by the indexing model from the issue text.