Feature request: Add square corners support for the PDF viewer buttons

[Aleksandra0056]

Is your feature request related to a problem?

Buttons in PDF reader like: “Toggle sidebar”, “Show thumbnails”, “Show document outline”, “Find current outline item”, “Show attachments”, “Show layers”, “Previous page”, “Next page”, “Zoom out”, “Zoom in”, “Print”, “Save”, “Text”, “Draw” and “Tools” are unaffected by the square corners settings.

The solution I'd like

The mentioned buttons should be affected by the userChrome.rounding.square_button (They should have support for square corners).

Screenshots or video

No response

Alternatives I've considered

No response

Additional context

No response

[Aleksandra0056]

The PDF viewer buttons are still rounded, can you reopen this?

[Aleksandra0056]

So, I'm decided to rather create a new issue, just ignore my comment above that was written one hour ago.