Bottom shortcut bar covers document text

### ⚠️ Before posting ⚠️

- [x] This is a **bug**, not a question or an enhancement.
- [x] I've [searched for similar issues](https://github.com/nextcloud/android/issues) and didn't find a duplicate.
- [x] I've written a clear and descriptive title for this issue, not just "Bug" or "Crash".
- [x] I agree to follow Nextcloud's [Code of Conduct](https://nextcloud.com/contribute/code-of-conduct/).

### Steps to reproduce

1. Open a document in Nextcloud app for Android.
2. Scroll to the bottom of the document

### Expected behaviour

I should be able to see the text at the bottom of the document.

### Actual behaviour

The bottom text is covered by the menu for "All files", "Favourites", and "Media".

### Android version

15

### Device brand and model

Samsung

### Stock or custom OS?

Stock

### Nextcloud android app version

3.31.4

### Nextcloud server version

31.0.6

### Using a reverse proxy?

Yes

### Android logs

_No response_

### Server error logs

```bash

```

### Additional information

_No response_