Scrollbar not visible on Linux desktop app

### Describe the bug

I have a strange problem that scrollbar is completely hidden.

### Reproduction

_No response_

### Expected behavior

_No response_

### OS, Browser and Phoenix versions

OS: openSUSE Leap 16.0 with Gnome desktop environment
Version: Release 5.0 build 5.0.5-21948

### logs or debug stack trace if any

```shell

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### Additional context

_No response_