Created attachment 187927 [details]
A video of konsole new tab opening a new window.

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SUMMARY
New Tab Keyboard Shortcut Opens New Window

STEPS TO REPRODUCE
1. Open System Settings and navigate to Keyboard > Shortcuts > Konsole
2. Set a shortcut for Open a New Tab
3. Open Konsole and use the new shortcut.

OBSERVED RESULT
A new Konsole window opens.

EXPECTED RESULT
A new Konsole tab should open.

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma: 6.18.2-arch2-1 (64 bit)
KDE Plasma Version: 6.5.4
KDE Frameworks Version: 6.21.0
Qt Version: 6.10.1

ADDITIONAL INFORMATION
Wayland