Problems after Plasma 6 update

[cscs]

@Mikunda

On a new user the issues (except LibreOffice one) do not appear, and the search works.

This means its local configurations that are the problem.
Follow the ‘reset’ steps outlined in the dozens of related threads.

@cscs

I will type it out again.
This time will be a single string with some added messaging.

cd ~/.config && for j in plasma*; do mv -- "$j" "${j%}.bak"; done && mv Trolltech.conf Trolltech.conf.bak && rm -rf ~/.cache/* && kbuildsycoca6 --noincremental && cd ~ && echo -e "\nFinished Clearing Plasma Settings and User Cache.\n\nPlease Reboot.\n"