Fixed useless cleanup of cache in User.pm to improve performance.
Switched from GroupMemberInvolvedList to PermissionUserInvolvedGet().
Improved performance of Group.pm.
Increased size of containers to timeline view and display line breaks.
Merge branch 'master' of git.otrs.com:otrs/otrs
Switched from GroupMemberAdd() to PermissionGroupUserAdd().
Fixed: ActivityDialogEntityID not working in ACLs from Process screens reducing States (bug#10572).

Conflicts:
	CHANGES.md
Fixed dialog design for CI.
Update file name.
Merge remote-tracking branch 'upstream/master'