close dropdown on inline editor close or editor resize
* Whole bunch of docs clarifications & type-annotation fixes
* Clarify Save As dialog cancelation handling -- and fix bug where promise
was never resolved in degenerate doSave() case
* Improved some console messages: more explanatory KeyBindingManager error,
more info on Directory exceptions, clarify consequence of LanguageManager
error
* Fix misleading use of "document" in Close Others API & related code naming
* Improve docs for adding new locale translations
use capture event handler
Merge pull request #6116 from adobe/pflynn/small-cleanups

Minor code cleanups, docs improvements, console message clarifications
Revert "use capture event handler"

This reverts commit 65cc4dde48752208ac7308a08945e90bfa4a2d7d.
Merge pull request #6056 from adobe/randy/issue-6005

Close New Rule dropdown on inline editor close or editor resize