Base model refactor (#810)

* Big upgrades

* WIP: Stash

* Stash, 30 flow errors left

* Downgrade mobx

* WIP

* When I understand the difference between class and instance methods

* 💚

* Fixes: File import
Model saving edge cases
pinning and starring docs
Collection editing
Upgrade mobx devtools

* Notification settings saving works

* Disabled settings

* Document mailer

* Working notifications

* Colletion created notification
Ensure not notified for own actions

* Tidy up

* Document updated event only for document creation
Add indexes
Notification setting on user creation

* Commentary

* Fixed: Notification setting on signup

* Fix document move / duplicate stale data
Add BaseModel.refresh method

* Fixes: Title in sidebar not updated after editing document

* 💚

* Improve / restore error handling
Better handle offline errors

* 👕

server/models/Document.js

@@ -285,6 +285,10 @@ Document.addHook('afterCreate', async model => {
   return model;
 });
 
+Document.addHook('afterUpdate', model =>
+  events.add({ name: 'documents.update', model })
+);
+
 Document.addHook('afterDestroy', model =>
   events.add({ name: 'documents.delete', model })
 );