If the user attempts to invite someone (to a room or creating a DM) whose identity is not cached, we prompt them to make sure this was their intention.
* Update compound and handle plain to tertiary/textLink button style updates.
* Update the start chat button to use the right icon/style.
* Update preview snapshots.
* Fix remaining snapshots.
* created the view to hold the bottom sheet
* added the sheet to the start chat screen
* switched the alert with the bottom sheet
in the room member details
* add a small delay to not always show the loader
* suggested PR changes
* pr suggestions and updated tests