Set rootViewController to nil from main thread (#6836)
Set rootViewController to nil from main thread (#6836)

Initial PR - #6834 

Co-authored-by: Yogev Ben David <2fb34393fbef7abdf91dee46e8af513fb02a3fb3@gmail.com>
Co-authored-by: Guy Carmeli <8c9c49408bd3a4a9650639faef73211de48a34a2@users.noreply.github.com>
wix/react-native-navigation,wix/react-native-navigation,wix/react-native-navigation,wix/react-native-navigation,wix/react-native-navigation,wix/react-native-navigation