Double class attribute for select tag of tceforms "type=select" if using icons
This is an SVN patch request.
Problem: <select> tag of type=select fields which have icons have a double class="" definition. This might confuse browsers. Example: The page type selector (page, folder, backend user section, ...) of pages.
Solution: Aggregate needed classes in an array and implode when <select> tag is created.
(issue imported from #M17042)