message: feat(comments): adds filter actions for consistency
diff: <v-scroll-y-transition>
  <div v-show="expand" class="px-2">
  <div class="d-flex align-center px-2 mb-3">
  - <span class="caption mr-3">Filter</span>
  + <span class="caption mr-1">Filter</span>
  <v-btn
  x-small
  class="ml-2"
  :zzzcolor="`${filter === 'all' ? 'primary' : ''}`"
  @click="$emit('set-filter', 'all')"
  >
  + <v-icon x-small class="mr-2">mdi-comment-outline</v-icon>
  all
  </v-btn>
  <v-btn
  :zzzcolor="`${filter === 'unread' ? 'primary' : ''}`"
  @click="$emit('set-filter', 'unread')"
  >
  + <v-icon x-small class="mr-2">mdi-comment-alert-outline</v-icon>
  unread
  </v-btn>
  <v-btn
  :zzzcolor="`${filter === 'none' ? 'primary' : ''}`"
  @click="$emit('set-filter', 'none')"
  >
  + <v-icon x-small class="mr-2">mdi-comment-off-outline</v-icon>
  none
  </v-btn>
  </div>
  