ColorPicker load/save swatches button issues

[Giganzo]

Tested versions

v4.4.beta1.official [d33da79]

System information

Fedora Linux 40 (KDE Plasma) on Wayland - Wayland display driver, Single-window

Issue description

ColorPicker load/save swatches button moves when clicked:

Screencast_20250122_155445.webm

The PopupMenu is also not behaving the same as other Popupmenus in the ColorPicker in RtL:

Screencast_20250122_190401.webm

There is also an issue in single window mode, where you can't close the menu by clicking on the button again:

Screencast_20250122_190448.webm

Steps to reproduce

Try any ColorPicker in the editor

Minimal reproduction project (MRP)

N/A