fix: User updates are not synced between clients (#6490)

* Add Model.changeset method to get minified changes since last update

* fix: Handle arrays

* Add changes column, types

* test

server/migrations/20240204171556-add-event-changeset.js

@@ -0,0 +1,14 @@
+"use strict";
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.addColumn("events", "changes", {
+      type: Sequelize.JSONB,
+      allowNull: true,
+    });
+    
+  },
+  async down(queryInterface) {
+    await queryInterface.removeColumn("events", "changes");
+  },
+};