[bp/r51282][FIX] toolbars: Restore external link and table tools to wiki toolbars, lost in various regressions, while keeping ckeditor ones in html wysiwyg mode, and wiki ones in wiki wysiwyg mode.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@51283 b456876b-0849-0410-b77d-98878d47e9d5