Use team uid for team group actions (#103415)

* use team uid for team group actions

* add constructor for tests; rename vars for clarity

* github told me to do this

pkg/services/team/teamtest/team.go

@@ -20,6 +20,12 @@ func NewFakeService() *FakeService {
 	return &FakeService{}
 }
 
+func NewFakeServiceWithTeamDTO(teamDTO *team.TeamDTO) *FakeService {
+	return &FakeService{
+		ExpectedTeamDTO: teamDTO,
+	}
+}
+
 func (s *FakeService) CreateTeam(ctx context.Context, cmd *team.CreateTeamCommand) (team.Team, error) {
 	return s.ExpectedTeam, s.ExpectedError
 }