KS-4662: [Answer] Do not close Submit question form after save a question into a category is moderated
KS-4744: [Wiki] Page is erased from wiki tree when creating another page of same name but different case format
Merge remote-tracking branch 'origin/fix/2.2.x/KS-4744' into stable/2.2.x
Merge remote-tracking branch 'origin/fix/2.2.x/KS-4662' into stable/2.2.x