feat: Embedded dashboard configuration (#19364)

* embedded dashboard model

* embedded dashboard endpoints

* DRY up using the with_dashboard decorator elsewhere

* wip

* check feature flags and permissions

* wip

* sdk

* urls

* dao option for id column

* got it working

* Update superset/embedded/view.py

* use the curator check

* put back old endpoint, for now

* allow access by either embedded.uuid or dashboard.id

* keep the old endpoint around, for the time being

* openapi

* lint

* lint

* lint

* test stuff

* lint, test

* typo

* Update superset-frontend/src/embedded/index.tsx

* Update superset-frontend/src/embedded/index.tsx

* fix tests

* bump sdk

(cherry picked from commit 8e29ec5a66)

superset/common/query_context_processor.py

@@ -471,9 +471,9 @@ class QueryContextProcessor:
         annotation_layer: Dict[str, Any], force: bool
     ) -> Dict[str, Any]:
         chart = ChartDAO.find_by_id(annotation_layer["value"])
-        form_data = chart.form_data.copy()
         if not chart:
             raise QueryObjectValidationError(_("The chart does not exist"))
+        form_data = chart.form_data.copy()
         try:
             viz_obj = get_viz(
                 datasource_type=chart.datasource.type,