Don't query if no childLayer is queryable (#1677)
Don't query if no childLayer is queryable (#1677)


camptocamp/ngeo,camptocamp/ngeo,camptocamp/ngeo,kalbermattenm/ngeo,Jenselme/ngeo,adube/ngeo,ger-benjamin/ngeo,Jenselme/ngeo,adube/ngeo,adube/ngeo,Jenselme/ngeo,kalbermattenm/ngeo,camptocamp/ngeo,Jenselme/ngeo,ger-benjamin/ngeo,kalbermattenm/ngeo,camptocamp/ngeo,adube/ngeo,ger-benjamin/ngeo