Created attachment 181597 [details]
Remove connection dialogw window with incorrect styling

SUMMARY
The dialog window that appears when removing a connection doesn't follow the usual KDE theming. It has generic rectangular buttons. This used to be a well-integrated dialog window in Plasma 5.

STEPS TO REPRODUCE
1. Go to Wi-Fi & Internet
2. On the Wi-Fi & Networking page add a connection if there isn't one already
3. Click on "Remove selected connection" (red X)

OBSERVED RESULT
A dialog window appears that doesn't follow the styling of KDE applications

EXPECTED RESULT
A dialog window that follows the styling of KDE applications, like the one in Plasma 5

SOFTWARE/OS VERSIONS
System Settings: 6.3.90
KDE Frameworks: 6.15.0
Qt: Using 6.9.0 and built against 6.9.0
KDE neon Unstable Edition (Wayland)
Build ABI: x86_64-little_endian-lp64
Kernel: linux 6.11.0-26-generic