Bugfix. Make sure group gets inserted

when it's created due to a new contact being added.

Was previously in the wrong place.

src/converse-rosterview.js

@@ -845,7 +845,6 @@
                 onContactAdded (contact) {
                     this.addRosterContact(contact).update();
                     this.updateFilter();
-                    this.sortAndPositionAllItems();
                 },
 
                 onContactChange (contact) {
@@ -895,6 +894,7 @@
 
                 addContactToGroup (contact, name, options) {
                     this.getGroup(name).contacts.add(contact, options);
+                    this.sortAndPositionAllItems();
                 },
 
                 addExistingContact (contact, options) {