perf: user grant owner removed (#6962)

* fix: change logic for usergrants projection with no selects

* fix: change logic for usergrants projection with one select

* fix: move resource owner select to single function

* fix: move resource owner select to single function

* fix: changes after merge

* fix: changes after merge

---------

Co-authored-by: Tim Möhlmann <tim+github@zitadel.com>

internal/api/grpc/management/project_grant.go

@@ -90,7 +90,7 @@ func (s *Server) UpdateProjectGrant(ctx context.Context, req *mgmt_pb.UpdateProj
 	}
 	grants, err := s.query.UserGrants(ctx, &query.UserGrantsQueries{
 		Queries: []query.SearchQuery{projectQuery, grantQuery},
-	}, true, false)
+	}, true)
 	if err != nil {
 		return nil, err
 	}
@@ -138,7 +138,7 @@ func (s *Server) RemoveProjectGrant(ctx context.Context, req *mgmt_pb.RemoveProj
 	}
 	userGrants, err := s.query.UserGrants(ctx, &query.UserGrantsQueries{
 		Queries: []query.SearchQuery{projectQuery, grantQuery},
-	}, false, true)
+	}, false)
 	if err != nil {
 		return nil, err
 	}