Can't disable Konsole title bar branding because setCaption and setPlainCaption always append the application name

See:
https://bugs.kde.org/show_bug.cgi?id=374083

https://bugs.kde.org/show_bug.cgi?id=407146
SUMMARY
It's currently impossible to remove the '- Konsole' branding suffix from the Konsole title bar.

I prefer to keep my desktop as free of branding as I can. Other terminal emulators (I've checked kitty, alacritty, gnome-terminal) do not have branding in the title bar by default.

To that end, I would love it if there were an option in Konsole to remove the '- Konsole' branding after <tab title> from the title bar.

I've been informed by KDE developer Christoph Feck that this is currently impossible because setCaption and setPlainCaption always append the application name to the window title.

STEPS TO REPRODUCE
1. Run konsole
2. Observe '<tab title> - Konsole'

OBSERVED RESULT
Title bar shows '<tab title> - Konsole'

EXPECTED RESULT
Title bar shows either '<window title>' or '<tab title>' without the '- Konsole' suffix.