Group plan fixes (#9437)

* Prevented title editing on personal page

* Fixed claim/unlclaim from user task page

* Removed task from local on delete

* Immediately show unassigned bar

* Add move to group tasks

* Fixed group member count increase

* Added upgrade when group plan is canceled

website/server/controllers/api-v3/groups.js

@@ -567,13 +567,13 @@ api.joinGroup = {
 
     if (group.memberCount === 0) group.leader = user._id; // If new user is only member -> set as leader
 
-    group.memberCount += 1;
-
     if (group.hasNotCancelled())  {
       await payments.addSubToGroupUser(user, group);
       await group.updateGroupPlan();
     }
 
+    group.memberCount += 1;
+
     let promises = [group.save(), user.save()];
 
     if (inviter) {