[native] Scrolling to the edited message
Summary: Added ability to scroll to the currently edited message.
Test Plan:
Tested only on iOS (waiting for android to compile, but have problems with it). Entered edit mode.
- Pressed the preview of the currently edited message. The list scrolled to the edited message. Tested a few times.
- Artificial changed the key of the message, so it doesn't exist in the list. Pressed preview of the currently edited message, the warning appeared in the console as expected.
Reviewers: michal, inka, ginsu
Reviewed By: michal
Subscribers: ashoat, tomek, atul
Differential Revision: https://phab.comm.dev/D7484