[Bugfix][Edition] Clear and hide edition children container when form displayed
[Bugfix][Edition] Clear and hide edition children container when form displayed

3liz/lizmap-web-client,laurentj/lizmap-web-client,nboisteault/lizmap-web-client,rldhont/lizmap-web-client,3liz/lizmap-web-client,rldhont/lizmap-web-client,rldhont/lizmap-web-client,3liz/lizmap-web-client,rldhont/lizmap-web-client,nboisteault/lizmap-web-client,3liz/lizmap-web-client,nboisteault/lizmap-web-client,laurentj/lizmap-web-client,laurentj/lizmap-web-client,nboisteault/lizmap-web-client,laurentj/lizmap-web-client