Variables: Support static keys in AdHocFiltersVariable (#83157)

* initial start

* don't use getTagKeysProvider

* some cleanup

* undo kinds adjustment

* simplify

* remove async declaration

* add description and a couple of unit tests

* add transformSaveModelToScene test

* add tests for AdHocVariableForm

* add tests for AdHocFiltersVariableEditor

* update to defaultKeys

* fix snapshots

* update to 3.13.3

package.json

@@ -250,7 +250,7 @@
     "@grafana/o11y-ds-frontend": "workspace:*",
     "@grafana/prometheus": "workspace:*",
     "@grafana/runtime": "workspace:*",
-    "@grafana/scenes": "^3.11.0",
+    "@grafana/scenes": "3.13.3",
     "@grafana/schema": "workspace:*",
     "@grafana/sql": "workspace:*",
     "@grafana/ui": "workspace:*",