FreeSWITCH-FS-8767

Merge pull request #446 in FS/freeswitch from ~JMESQUITA/freeswitch:bugfix/FS-8040-add-no-camera-mode to master

* commit 'da0750231e44aeb726867f7c29c9c48566f5571d':
  FS-8040: [verto_communicator] Check if we have a valid resolution reported before calling camera routines and hide controls if none are found.