moved react-contextify overwrites to styled compeonts, consolidated some grays and semanic colors, for rgba colors we need to set css variables with RGB values since nothing else is supported
* refactor most of the components to outside of their Session folder
* finish moving overlay and memberListItem to react hook
* fix bug with kicked member len >2 not being displayed
also sort admins first in UpdateGroupMembers dialog
* fix admin leaving text of groupNotification
* add a useFocusMount hook to focus input fields on mount
* make click avatar convo item open only user dialog
* cleanup config default.json
* make sure to use convoController to build sync message
* disable showing pubkey on opengroups
* add a pause on audio playback
Fixes#2079
William Grant
Audric Ackermann
Emily