GroupBy variable core integration (#82185)

* Bump scenes

* Make GroupByVariableModel a VariableWithOptions

* Serialise/deserialise group by variable

* WIP: Group by variable editor

* WIP tests

* Group by variable tests

* add feature toggle and gate variable creation behind it

* Fix types

* Do not resolve DS variable

* Do not show the message if no DS is selected

* Now groupby has options and current

* Update public/app/features/dashboard-scene/settings/variables/components/GroupByVariableForm.test.tsx

Co-authored-by: Ivan Ortega Alba <ivanortegaalba@gmail.com>

* don't allow creating groupby if toggle is off + update tests

* add unit tests

* remove groupByKeys

---------

Co-authored-by: Ashley Harrison <ashley.harrison@grafana.com>
Co-authored-by: Ivan Ortega <ivanortegaalba@gmail.com>

pkg/services/featuremgmt/registry.go

@@ -1212,6 +1212,15 @@ var (
 			Owner:           grafanaAppPlatformSquad,
 			RequiresRestart: true,
 		},
+		{
+			Name:              "groupByVariable",
+			Description:       "Enable groupBy variable support in scenes dashboards",
+			Stage:             FeatureStageExperimental,
+			Owner:             grafanaDashboardsSquad,
+			AllowSelfServe:    false,
+			HideFromDocs:      true,
+			HideFromAdminPage: true,
+		},
 	}
 )
 

pkg/services/featuremgmt/toggles_gen.csv

@@ -162,3 +162,4 @@ nodeGraphDotLayout,experimental,@grafana/observability-traces-and-profiling,fals
 groupToNestedTableTransformation,preview,@grafana/dataviz-squad,false,false,true
 newPDFRendering,experimental,@grafana/sharing-squad,false,false,false
 kubernetesAggregator,experimental,@grafana/grafana-app-platform-squad,false,true,false
+groupByVariable,experimental,@grafana/dashboards-squad,false,false,false

pkg/services/featuremgmt/toggles_gen.go

@@ -658,4 +658,8 @@ const (
 	// FlagKubernetesAggregator
 	// Enable grafana aggregator
 	FlagKubernetesAggregator = "kubernetesAggregator"
+
+	// FlagGroupByVariable
+	// Enable groupBy variable support in scenes dashboards
+	FlagGroupByVariable = "groupByVariable"
 )