[fixed] Snap do not show channels for lxd

stgraber@castiana:~$ snap info lxd
name:      lxd
summary:   System container manager and API
publisher: Canonical✓
contact:   https://github.com/lxc/lxd/issues
license:   Apache-2.0
description: |
  **LXD is a system container manager**
  
  With LXD you can run hundreds of containers of a variety of Linux
  distributions, apply resource limits, pass in directories, USB devices
  or GPUs and setup any network and storage you want.
  
  LXD containers are lightweight, secure by default and a great
  alternative to running Linux virtual machines.
  
  
  **Run any Linux distribution you want**
  
  Pre-made images are available for Ubuntu, Alpine Linux, ArchLinux,
  CentOS, Debian, Fedora, Gentoo, OpenSUSE and more.
  
  A full list of available images can be found here: https://images.linuxcontainers.org
  
  Can't find the distribution you want? It's easy to make your own images too, either using our
  `distrobuilder` tool or by assembling your own image tarball by hand.
  
  
  **Containers at scale**
  
  LXD is network aware and all interactions go through a simple REST API,
  making it possible to remotely interact with containers on remote
  systems, copying and moving them as you wish.
  
  Want to go big? LXD also has built-in clustering support,
  letting you turn dozens of servers into one big LXD server.
  
  
  **Configuration options**
  
  Supported options for the LXD snap (`snap set lxd KEY=VALUE`):
   - criu.enable: Enable experimental live-migration support [default=false]
   - daemon.debug: Increases logging to debug level [default=false]
   - daemon.group: Group of users that can interact with LXD [default=lxd]
   - ceph.builtin: Use snap-specific ceph configuration [default=false]
   - openvswitch.builtin: Run a snap-specific OVS daemon [default=false]
  
  Documentation: https://lxd.readthedocs.io
snap-id: J60k4JY0HppjwOjW8dZdYc8obXKxujRu
channels:
  stable:         3.16        2019-08-22 (11727) 57MB -
  candidate:      3.16        2019-08-22 (11727) 57MB -
  beta:           ↑                                   
  edge:           git-8cae4ea 2019-08-22 (11721) 57MB -
  3.16/stable:    3.16        2019-08-22 (11727) 57MB -
  3.16/candidate: 3.16        2019-08-22 (11727) 57MB -
  3.16/beta:      ↑                                   
  3.16/edge:      ↑                                   
  3.0/stable:     3.0.4       2019-07-23 (11348) 55MB -
  3.0/candidate:  3.0.4       2019-07-23 (11348) 55MB -
  3.0/beta:       ↑                                   
  3.0/edge:       git-81b81b9 2019-07-23 (11362) 55MB -
  2.0/stable:     2.0.11      2018-07-30  (8023) 28MB -
  2.0/candidate:  2.0.11      2018-07-27  (8023) 28MB -
  2.0/beta:       ↑                                   
  2.0/edge:       git-c7c4cc8 2018-10-19  (9257) 26MB -