* Add an alert to Discard or Save when there are unsaved changes on the RoomDetailsEditScreen.
* Add an alert to Discard or Save when there are unsaved changes on the UserDetailsEditScreen.
* Add an alert to Discard or Save when there are unsaved changes on the SecurityAndPrivacyScreen.
* Update strings.
* added the security and settings button in details
* added content to the view
* added enable encryption alert
* updated preview tests and the UI
* removed wrong plists committed by mistake
* pr suggestions