[ADF-4894] Json editor dialog (#5082)

* move download-zip to its own folder

* json dialog

* update docs

* update test

* disable e2e test

* json widget for the Form

* remove deprecated test

* fix tests, update display text name

lib/core/i18n/en.json

@@ -72,6 +72,10 @@
           "CANCEL": "Cancel"
         },
         "TITLE": "Adding files to zip, this could take a few minutes"
+      },
+      "EDIT_JSON": {
+        "CLOSE": "Close",
+        "UPDATE": "Update"
       }
     },
     "FILE_DIALOG": {