AccessControl: Implement SQL filters for team members filtering (#44898) (#45219)

* AccessControl: Filter team members

* Modify GetTeamMembersByUser comment

* Fix postgres failing test due to quoting

* Rename GetTeamMembersByUser to GetUserTeamMemberships

* Update TeamStore interface

(cherry picked from commit 78fc0258b1)

pkg/services/sqlstore/mockstore/mockstore.go

@@ -197,6 +197,10 @@ func (m SQLStoreMock) RemoveTeamMember(ctx context.Context, cmd *models.RemoveTe
 	return nil // TODO: Implement
 }
 
+func (m SQLStoreMock) GetUserTeamMemberships(ctx context.Context, orgID, userID int64, external bool) ([]*models.TeamMemberDTO, error) {
+	return nil, m.ExpectedError
+}
+
 func (m SQLStoreMock) GetTeamMembers(ctx context.Context, query *models.GetTeamMembersQuery) error {
 	return nil // TODO: Implement
 }