Fix initial focus issues in dialogs and editor

Test: manually launched app on Walleye running P and verified that
keyboard is opened when the create and rename label dialogs are opened.
Also verified that the keyboard remains visible in the editor when
the screen is rotated with an input field focused.

Bug: 77244371
Bug: 77246197
Change-Id: I66638bfae9e17986773395624e3cccc75c95eb10