WIP: Improve User model performances (#10832)

* wip: define items as mixed objects

* add default owned gear

* mark modified

* more mark modified

* more mark modified

* more mark modified

* more mark modified

* fix common tests

* fix common tests

* update mongoose

* add itemsUtils

* use new util function in hall controller

* add tests for items utils

* update website/server to mark all items as modified

* start updating common code

* update login incentives

* update unlock

* remove changes to package-lock.json

* remove changes to package.json

website/common/script/ops/changeClass.js

@@ -53,7 +53,8 @@ module.exports = function changeClass (user, req = {}, analytics) {
     addPinnedGearByClass(user);
 
     user.items.gear.owned[`weapon_${klass}_0`] = true;
-    if (klass === 'rogue')  user.items.gear.owned[`shield_${klass}_0`] = true;
+    if (klass === 'rogue') user.items.gear.owned[`shield_${klass}_0`] = true;
+    if (user.markModified) user.markModified('items.gear.owned');
 
     removePinnedItemsByOwnedGear(user);