Always Show Tab Icon & Audio Label Show is not working on 136

### Describe the bug

This is what it look like now.

### Expected behavior

It should look like this,

### Screenshots


### OS

Windows 10

### OS - Others

_No response_

### Firefox Version

136

### Distribution

- [ ] [Original Lepton](https://github.com/black7375/Firefox-UI-Fix)
- [x] [Lepton's photon style](https://github.com/black7375/Firefox-UI-Fix/tree/photon-style)
- [ ] [Lepton's proton style](https://github.com/black7375/Firefox-UI-Fix/tree/proton-style)

### Theme

- [ ] Light
- [x] Dark
- [ ] Alpenglow (System: Light)
- [ ] Alpenglow (System: Dark)
- [ ] System Default
- [ ] Others: (e.g. [Photon Colors](https://addons.mozilla.org/en-US/firefox/addon/photon-colors/), [Google Chrome Dark](https://addons.mozilla.org/en-US/firefox/addon/google-chrome-dark/), [Fairytale Of Nature](https://addons.mozilla.org/en-US/firefox/addon/fairytale-of-nature/))

### Theme - More Info

_No response_

### `user.js` setup

user.js setup

```javascript
// Your settings
```

### Additional context

_No response_

Reproduce the issue in Firefox 136 on Windows 10 using the photon-style distribution and dark theme, then compare the tab icon and audio-label behavior with the expected screenshot. Done means the always-show tab icon and audio label display match the expected appearance.

Written by the indexing model from the issue text.