Chore: Add some tests for the Create method (#81364)

* Add test for create method
    Co-authored-by: Tania B <10127682+undef1nd@users.noreply.github.com>
* Change structure of entity package to break import cycle
* Update wire file

---------

Co-authored-by: Tania B <10127682+undef1nd@users.noreply.github.com>

pkg/server/wire.go

@@ -138,6 +138,7 @@ import (
 	"github.com/grafana/grafana/pkg/services/stats/statsimpl"
 	"github.com/grafana/grafana/pkg/services/store"
 	entityDB "github.com/grafana/grafana/pkg/services/store/entity/db"
+	"github.com/grafana/grafana/pkg/services/store/entity/db/dbimpl"
 	"github.com/grafana/grafana/pkg/services/store/entity/sqlstash"
 	"github.com/grafana/grafana/pkg/services/store/resolver"
 	"github.com/grafana/grafana/pkg/services/store/sanitizer"
@@ -344,8 +345,8 @@ var wireBasicSet = wire.NewSet(
 	grpcserver.ProvideHealthService,
 	grpcserver.ProvideReflectionService,
 	interceptors.ProvideAuthenticator,
-	entityDB.ProvideEntityDB,
-	wire.Bind(new(sqlstash.EntityDB), new(*entityDB.EntityDB)),
+	dbimpl.ProvideEntityDB,
+	wire.Bind(new(entityDB.EntityDBInterface), new(*dbimpl.EntityDB)),
 	sqlstash.ProvideSQLEntityServer,
 	resolver.ProvideEntityReferenceResolver,
 	teamimpl.ProvideService,