Resource server improvements and fixes (#90715)

* cleanup dependencies and improve list method
* Improve Resource Server API, remove unnecessary dependencies
* Reduce the API footprint of ResourceDBInterface and its implementation
* Improve LifecycleHooks to use context
* Improve testing
* reduce API size and improve code
* sqltemplate: add DialectForDriver func and improve naming
* improve lifecycle API
* many small fixes after adding more tests

pkg/storage/unified/sql/db/migrations/migrator.go

@@ -1,18 +1,16 @@
 package migrations
 
 import (
+	"context"
+
 	"xorm.io/xorm"
 
-	"github.com/grafana/grafana/pkg/services/featuremgmt"
 	"github.com/grafana/grafana/pkg/services/sqlstore/migrator"
 	"github.com/grafana/grafana/pkg/setting"
 )
 
-func MigrateResourceStore(engine *xorm.Engine, cfg *setting.Cfg, features featuremgmt.FeatureToggles) error {
-	// Skip if feature flag is not enabled
-	if !features.IsEnabledGlobally(featuremgmt.FlagUnifiedStorage) {
-		return nil
-	}
+func MigrateResourceStore(_ context.Context, engine *xorm.Engine, cfg *setting.Cfg) error {
+	// TODO: use the context.Context
 
 	mg := migrator.NewScopedMigrator(engine, cfg, "resource")
 	mg.AddCreateMigration()