Add ability to create multiple global key handlers that override KeyBindingManager. Refactor dialogs and code hints to use this.
Change 'global keydown handler' terminology to 'global keydown hook' to clarify that these don't work like ordinary event handlers.
Align equals signs
What's a handhookler?
Merge pull request #4110 from adobe/nj/issue-3975

REVIEW ONLY: Add ability to create multiple global key handlers