message: Show forums and client landing page in sidebar main menu
diff: >
  <div class="fill-darkest">
  <ul class="shell-nav">
  - <li>
  - <router-link
  - :to="{ name: 'forums.landing.overview' }"
  - v-app-track-event="`sidebar:forums`"
  - >
  - <span class="shell-nav-icon">
  - <app-jolticon icon="forums" />
  - </span>
  - <translate>Forums</translate>
  - </router-link>
  - </li>
  <li>
  <router-link
  :to="{ name: 'radio' }"
  <translate>Jams</translate>
  </a>
  </li>
  - <li>
  + <li v-if="!Environment.isClient && !isLeftPaneVisible">
  <router-link
  :to="{ name: 'client' }"
  v-app-track-event="`sidebar:client`"
  </router-link>
  </li>
  + <li class="offline-disable">
  + <router-link
  + :to="{ name: 'forums.landing.overview' }"
  + :class="{ active: $route.name.indexOf( 'forums' ) === 0 }"
  + v-app-track-event="`sidebar:forums`"
  + >
  + <span class="shell-nav-icon"
  + v-app-tooltip.right-middle="!isLeftPaneVisible ? $gettext( 'Forums' ) : ''"
  + >
  + <app-jolticon icon="forums" />
  + </span>
  + <span class="shell-nav-label">
  + <translate>Forums</translate>
  + </span>
  + </router-link>
  + </li>
  +
  <li class="offline-disable" v-if="Screen.isXs">
  <router-link
  :to="{ name: 'search.results' }"
  </router-link>
  </li>
  + <li v-if="!Environment.isClient && isLeftPaneVisible">
  + <router-link
  + :to="{ name: 'client' }"
  + active-class="active"
  + v-app-track-event="`sidebar:client`"
  + >
  + <span class="shell-nav-icon">
  + <app-jolticon icon="client" />
  + </span>
  + <span class="shell-nav-label">
  + <translate>Client</translate>
  + </span>
  + </router-link>
  + </li>
  +
  <li class="offline-disable">
  <a
  v-app-popover-trigger="{
  