Add missing assert in object editing example
Add missing assert in object editing example

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