Import: prevent recursion blowup in redux + reintroduce import e2e test (#52985)

* prevent recursion blowup in redux, attempt to reintroduce import e2e test

* try importing json like this instead?

* need the panel validation

* Update text so it finds Panel data instead of Dataframe JSON

* skip test for now

e2e/tsconfig.json

@@ -1,6 +1,7 @@
 {
   "compilerOptions": {
-    "types": ["cypress"]
+    "types": ["cypress"],
+    "resolveJsonModule": true
   },
   "extends": "@grafana/tsconfig/base.json",
   "include": ["**/*.ts"]