UX: Add keyboard shortcut for fast edits (PR #14543)

Hitting Ctrl + Enter (or Command + Enter on macOS) should invoke saving, Esc will dismiss the popup element.

We should add tests for this, but I am finding it tricky to write a reliable test (I have one that works on Ember CLI, but not QUnit).


ooo I’ve been wanting this :+1:

LGTM :+1:

Let’s try this