FORUM-593 | [Forum] Bug when moving posts

Fix description: Clear cache for source path & destination path of topics
FORUM-523 [Answer] Deleted question is still displayed on AS of Homepage

Fix description: All activities related to questions of the removed categories should be deleted
FORUM-650 | Error when displaying a topic created by a deleted user

Fix description:
* Problem:
**  On Forum Service: Didn't clear UserProfile cache after deleting user.
**  On Forum webui:  Didn't check if UserProfile is not null before printting information of this UserProfile.
* Fix:
** Forum service: Clear cache UserProfile cache after deleting user.
** Forum webui: Check if UserProfile is not null before printting information of this UserProfile.
FORUM-563 | [Unified Search] Search connectors dont work properly with Japanese data

Fix description: Create method processLikeCondition to create query search for japeness language.
FORUM-518 | [Forum] Auto-fill the moderators email alway active when adding/editing a forum although it is not ticked

Fix description: Check condition in case the checkbox was ticked
FORUM-531: [Answer] Can edit comment of other user on question

Fix description: remove delete, edit action in case normal user view comment of other users.
Merge commit 'de692045ac15afb52cbb86bafe8d64417bdf3c58' into HEAD