fix(tooltip): fix addClass signature
fix(tooltip): fix addClass signature

- Fix the addition of multiple classes

Closes #5235

Kpler/bootstrap,vfiles/bootstrap,icfantv/bootstrap,deeg/bootstrap,RobJacobs/bootstrap,wesleycho/bootstrap,Servoy/bootstrap,Servoy/bootstrap,looker/bootstrap,christor/bootstrap,caoruiy/bootstrap,benhalverson/bootstrap,benhalverson/bootstrap,benhalverson/bootstrap,mabi/bootstrap,292388900/bootstrap,caoruiy/bootstrap,burlhock/bootstrap,angular-ui/bootstrap,Kpler/bootstrap,deeg/bootstrap,christor/bootstrap,shootermv/bootstrap,BookingBug/bootstrap,infowrap/bootstrap,fpipita/bootstrap,infowrap/bootstrap,looker/bootstrap,wesleycho/bootstrap,292388900/bootstrap,byronigoe/bootstrap,byronigoe/bootstrap,RobJacobs/bootstrap,Foxandxss/bootstrap,Foxandxss/bootstrap,shootermv/bootstrap,burlhock/bootstrap,icfantv/bootstrap,mabi/bootstrap,fpipita/bootstrap,benhalverson/bootstrap,vfiles/bootstrap,BookingBug/bootstrap,angular-ui/bootstrap