Move document improvements (#927)

* Show all collections in UI

* Introduce command pattern

* Actually remove from previous collection

* Stash

* Fixes: Promises resolved outside of response lifecycle

* 💚

* 💚

* documentMover tests

* Transaction

* Perf. More in transactions

server/models/Document.js

@@ -362,7 +362,7 @@ Document.prototype.publish = async function() {
 Document.prototype.archive = async function(userId) {
   // archive any children and remove from the document structure
   const collection = await this.getCollection();
-  await collection.removeDocumentInStructure(this, { save: true });
+  await collection.removeDocumentInStructure(this);
   this.collection = collection;
 
   await this.archiveWithChildren(userId);