fix(datepicker): stop propagation of esc in popup
fix(datepicker): stop propagation of esc in popup

- Stop propagation of esc key in datepicker popup, which can propagate to undesirable elements/handlers such as the modal

Closes #5074
Fixes #5013

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