Do not needlessly JSON.stringify() the whole editor (#4411)
Do not needlessly JSON.stringify() the whole editor (#4411)

* Do not needlessly JSON.stringify() the whole editor

* Refactor based on feedback

* Linting fix for error messages

* linting fix

Co-authored-by: Dylan Schiemann <dd378c4ca75f71f527acddef5b43fc35b68d5b7a@dojotoolkit.org>
ianstormtaylor/slate,ianstormtaylor/slate