Don't re-add deleted or hidden devices during DeviceTree.populate.
Don't re-add deleted or hidden devices during DeviceTree.populate.

AdamWill/blivet,jkonecny12/blivet,rvykydal/blivet,vpodzime/blivet,dwlehman/blivet,rhinstaller/blivet,vojtechtrefny/blivet,jkonecny12/blivet,dwlehman/blivet,rhinstaller/blivet,vpodzime/blivet,rvykydal/blivet,AdamWill/blivet,vojtechtrefny/blivet