[fileman] Bugs and feedback

### Affected hardware version

Bangle 1, Bangle 2

### Your firmware version

2v16

### The bug

- **Display file**
- **On Bangle.js1,**
- too small font size
- auto-scroll down the complete text content
- no possibility of scrolling the content
- no support for top widgets

**- On Bangle.js2,**
- display only one screen of text
- after scroll, content and menu overlap
if nobody fix before, maybe in a future i can pay a look to the code


### Installed apps

_No response_

Start by locating the fileman display entry point and reproducing the reported behavior on Bangle 1 and Bangle 2. Compare the font, scrolling, widget, screen, and menu-overlap behavior against the issue description; done means the listed display problems are resolved on the affected hardware.

Written by the indexing model from the issue text.