message: fix content viewer mention white space
diff: +<script lang="ts" src="./mention"></script>
  +
  <template>
  <span class="user-mention">
  <template v-if="user">
  class="img-responsive mention-avatar-img"
  alt=""
  />
  - <app-jolticon class="mention-verified" v-if="user.is_verified" icon="verified" />
  + <app-jolticon
  + v-if="user.is_verified"
  + class="mention-verified"
  + icon="verified"
  + />
  </span>
  </span>
  </router-link>
  </template>
  <style lang="stylus" scoped>
  -@require '~styles/variables'
  -@require '~styles-lib/mixins'
  +@import '~styles/variables'
  +@import '~styles-lib/mixins'
  .user-mention
  display: inline-block
  + white-space: normal
  .avatar-container
  position: relative
  bottom: -4px
  change-bg('bg-offset')
  border-radius: 100%
  -
  </style>
  -
  -<script lang="ts" src="./mention"></script>
  