Fix changeTracker modified state (#1481)

* Add jsondiffpatch

* Add logs

* Add graphDiff helper

* Fix changeTracker

* Add loglevel

* Add playwright test

* Fix jest test

* nit

* nit

* Fix test url

* nit

tests-ui/tests/fast/globalSetup.ts

@@ -19,4 +19,10 @@ module.exports = async function () {
       useI18n: jest.fn()
     }
   })
+
+  jest.mock('jsondiffpatch', () => {
+    return {
+      diff: jest.fn()
+    }
+  })
 }