Fix: Make case-insensitive search for the usergroup and multi selection columns#2446

Koc wants to merge 1 commit intomainnextcloud/tables:mainfrom

bugfix/make-usergroup-selection-milti-filters-case-insensetivnextcloud/tables:bugfix/make-usergroup-selection-milti-filters-case-insensetivCopy head branch name to clipboard