Add view to summarize selected filters

Addresses https://pm.theworkdept.com/issues/3908
Remove debounce on select change event

This makes multi-select harder on the desktop, but the delay
was annoying.  If we want to enable multi-select on desktop, we
should think of a more elegant way to debounce, such as detecting
if the ctrl key is pressed.
Merge remote-tracking branch 'origin/master'