Prevent scrolling while popovers are open (#3475)
* add option to prevent scrolling in popovers
* prevent scrolling in MenuTrigger and ComboBox
* add back dismissable logic for overlay
* turn on for remaining rsp popover components
* add preventScroll to useOverlay instead of Popover
* change transparent to isTransparent
* Revert "add preventScroll to useOverlay instead of Popover"
This reverts commit f0be273f55bc6d61e6b9b4dde5e95c40224f70f5.
* disable for ComboBox/SearchAutocomplete
* update story for scrolling with menu open
Co-authored-by: Daniel Lu <dl1644@gmail.com>
Co-authored-by: Danni <drobinson@livefyre.com>
