Created attachment 168672 [details]
Picture of not being able to resize FF.

SUMMARY
Not able to resize Firefox(flatpak) (when sized via KWin). Let me know if addtional information, this is the first time I'm filing a bug 🐛.

STEPS TO REPRODUCE
1. Hold Firefox window while holding shift-key.
2. Release Firefox window in one of the custom preset areas.
3. Cannot resize Firefox after this.

OBSERVED RESULT
Not able to resize FF after dropping the window into Kwin preset zone.

EXPECTED RESULT
Be able to freely resize FF window, like all other windows.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Bazzite 39 / Plasma 5.27.11 [KF5 5.115.0] [Qt 5.15.12] (wayland) 
KDE Plasma Version: 5.27.11
KDE Frameworks Version: 5.115.0
Qt Version: 5.15.12

ADDITIONAL INFORMATION
```
amdgpu: amdgpu_cs_ctx_create2 failed. (-13)
amdgpu: amdgpu_cs_ctx_create2 failed. (-13)
OpenGL vendor string:                   AMD
OpenGL renderer string:                 AMD Radeon RX 6700 XT (radeonsi, navi22, LLVM 17.0.6, DRM 3.57, 6.7.11-202.fsync.fc39.x86_64)
OpenGL version string:                  4.6 (Core Profile) Mesa 23.3.6
OpenGL shading language version string: 4.60
Driver:                                 Unknown
GPU class:                              Unknown
OpenGL version:                         4.6
GLSL version:                           4.60
Mesa version:                           23.3.6
Linux kernel version:                   6.7.11
Requires strict binding:                no
GLSL shaders:                           yes
Texture NPOT support:                   yes
Virtual Machine:                        no
```