A slate to write and draw on, then export to html

bugfix

Scenario: export select a file that already exists message pops up to ask "Hit enter to confirm" hit enter

Before this commit the message wasn't immediately disappearing and bringing back the buttons.

Clean up after return and other keys that don't trigger text_input.

Created by  Kartik K. Agaram  on March 31, 2023
A4KZVT63K6KEMKEIW3BFSZ52PEQURYMJH4ESYXB2QOK3TOIO4WUQC
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