Removes the native dropdown on custom select fields in frontend. Appears to be a known bootstrap bug (twbs/bootstrap#16201).
In the original issue there is two screenshots of the issue. This should fix the screen by @franz-wohlkoenig. I am unable to replicate the screenshot by @PhilETaylor
Testing Instructions
Apply PR and attempt to edit article in frontend (Publishing tab).
I have tested this item✅ successfully on f15a8a6
This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/18663.