React Text Selection Popover Versions Save

• Popover now repositions itself when window resizes or scrolls
• Added scrollRef prop to react to scrolls of elements other than window

✨ Introduce placementProp - Override how placement of popover is computed 🔥 Deprecate direction prop in favor of above ✨ Add alternative placement strategy (as optional import) in lib folder 🚑 Fix prop type error caused by react-measure by forking project 🚑 Only mount EventListener component when selectionRefs are defined to avoid prop error