[BUGFIX] permalink tool - doesn't respect current map scale if the startup base layer has a smaller max. deep zoom avaiable
[BUGFIX] permalink tool - doesn't respect current map scale if the startup base layer has a smaller max. deep zoom avaiable

Fixes  #600

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