message: Fix channels link in sidebar
diff: <li class="offline-disable">
  <router-link
  - :to="{ name: 'discover.channels.overview' }"
  + :to="{ name: 'discover.channels.list' }"
  :class="{ active: $route.name.indexOf( 'discover.channels' ) === 0 }"
  v-app-track-event="`sidebar:channels`"
  >
  