Transformations: Move transformation addition into drawer (#78299)

* Start splitting out code

* Use flag

* A bit of rocket surgery

* Prettify

* Cleanup behavior

* Work through behaviors

* Move empty message from other PR

* Import fixes and prettier

* Clean things up

* Add selector for tests

* Cleanups

* Working with transformation redesign

* Some more tweaks to make sure of correct behavior

* Update betterer/eslint exceptions

* Localization

* Remove unecessary fragments

* Spacing and prettier

* Update tests for new UI

* Update e2e tests

* One more e2e test fix

* Update selectors

* Fix one test and break another

.betterer.results

@@ -3020,11 +3020,7 @@ exports[`better eslint`] = {
     ],
     "public/app/features/dashboard/components/TransformationsEditor/TransformationsEditor.tsx:5381": [
       [0, 0, 0, "Do not use any type assertions.", "0"],
-      [0, 0, 0, "Do not use any type assertions.", "1"],
-      [0, 0, 0, "Do not use any type assertions.", "2"],
-      [0, 0, 0, "Unexpected any. Specify a different type.", "3"],
-      [0, 0, 0, "Styles should be written using objects.", "4"],
-      [0, 0, 0, "Unexpected any. Specify a different type.", "5"]
+      [0, 0, 0, "Do not use any type assertions.", "1"]
     ],
     "public/app/features/dashboard/components/VersionHistory/DiffGroup.tsx:5381": [
       [0, 0, 0, "Styles should be written using objects.", "0"],