Resize tokenizer text input after pasting
Summary:
Fixes T5251. We don't recompute tokenizer metrics accurately after a paste event.
Listen for paste events and redraw the input.
Test Plan: Pasted long text into a tokenizer in Safari, Firefox and Chrome.
Reviewers: btrahan, chad
Reviewed By: chad
Subscribers: epriestley
Maniphest Tasks: T5251
Differential Revision: https://secure.phabricator.com/D10442