No menus available if Inkscape window maximized [1.5]
#### Steps to reproduce:
<!--Describe what you did (step-by-step) so we can reproduce:-->
- open Inkscape
- ~~click on "maximize" icon at top right angle of inkscape window~~
- press f11 to get in to fullscreen mode
- click on any menu
#### What happened?
menus do not open
#### What should have happened?
Menu should display
#### Version info
Inkscape 1.5-dev (e76c2b9, 2025-05-09, custom)
```
Compile (Run)
GLib version: 2.82.0
GTK version: 4.14.5 (4.14.5)
glibmm version: 2.80.1
gtkmm version: 4.14.0
libxml2 version: 2.12.9
libxslt version: 1.1.42
Cairo version: 1.18.0 (1.18.0)
Pango version: 1.54.0 (1.54.0)
HarfBuzz version: 9.0.0 (9.0.0)
Poppler version: 24.08.0
OS version: Windows 11 23H2
```
issue