[BUGFIX] Illustration - Set mime type and other info
[BUGFIX] Illustration - Set mime type and other info

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