fix(dropdown): do nothing if not open when clicking
fix(dropdown): do nothing if not open when clicking

- When clicking, do nothing if dropdown is closed on document listener

Closes #6414

BookingBug/bootstrap,byronigoe/bootstrap,byronigoe/bootstrap,angular-ui/bootstrap,angular-ui/bootstrap,fpipita/bootstrap,looker/bootstrap,icfantv/bootstrap,Servoy/bootstrap,Kpler/bootstrap,icfantv/bootstrap,caoruiy/bootstrap,Kpler/bootstrap,Servoy/bootstrap,BookingBug/bootstrap,looker/bootstrap,fpipita/bootstrap,caoruiy/bootstrap