[FIX] draw: Use "special" get_perm_object call to get file gallery perms as Perms::get doesn't know about user gallery perms in img and edit_draw (where perms weren't being checked properly before anyway) - should fix wish5077, thanks again eromneg

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@49341 b456876b-0849-0410-b77d-98878d47e9d5