Unsupported package(s).
pyside2 is an AUR package that you were compiling yourself. (hence the time).
This could go part ways to explaining your tweaked situation.
Heres another one.
But you skipped all the information that went on before it.
Sure.
The mapare script can try to make sure you have the default packages.
This may install a few things that come default that you dont want. But you can remove them after the fact.
bash <(curl -s https://gitlab.com/cscs/mapare/-/raw/main/mapare) -IA
Input kde at the prompt.