feat: Add GA integration, support for GA4 (#4626)

* GA integration settings

* trackingId -> measurementId
Hook up script

* Public page GA tracking
Correct layout of settings

* Remove multiple codepaths for loading GA measurementID, add missing db index

* Remove unneccessary changes, tsc

* test

server/migrations/20230101144349-integration-indexes.js

@@ -0,0 +1,11 @@
+'use strict';
+
+module.exports = {
+  async up (queryInterface, Sequelize) {
+    await queryInterface.addIndex("integrations", ["teamId", "type", "service"]);
+  },
+
+  async down (queryInterface, Sequelize) {
+    await queryInterface.removeIndex("integrations", ["teamId", "type", "service"]);
+  }
+};