[bp/r53255][FIX] Fixed issue with new comments not using CodeMirror. (in 13.x and trunk). Thks patrick-proulx

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@53262 b456876b-0849-0410-b77d-98878d47e9d5