Don't allow empty folder names
Don't allow empty folder names

foosel/OctoPrint,MoonshineSG/OctoPrint,foosel/OctoPrint,MoonshineSG/OctoPrint,MoonshineSG/OctoPrint,shohei/Octoprint,JackGavin13/octoprint-test-not-finished,Salandora/OctoPrint,beeverycreative/BEEweb,bicephale/OctoPrint,beeverycreative/BEEweb,Salandora/OctoPrint,bicephale/OctoPrint,senttech/OctoPrint,MoonshineSG/OctoPrint,shohei/Octoprint,shohei/Octoprint,senttech/OctoPrint,beeverycreative/BEEweb,foosel/OctoPrint,foosel/OctoPrint,Jaesin/OctoPrint,Jaesin/OctoPrint,JackGavin13/octoprint-test-not-finished,bicephale/OctoPrint,JackGavin13/octoprint-test-not-finished,JackGavin13/octoprint-test-not-finished,Jaesin/OctoPrint,senttech/OctoPrint,shohei/Octoprint,Salandora/OctoPrint,Jaesin/OctoPrint,shohei/Octoprint,Salandora/OctoPrint,senttech/OctoPrint,bicephale/OctoPrint,beeverycreative/BEEweb