lint, fix warnings

src/components/mention_link/mention_link.vue

 <template>
   <span class="MentionLink">
-    <a v-if="!user" v-html="content" href="url" class="original"/>
-    <span v-if="user" class="new" :style="style" :class="{ '-you': isYou }" >
-      <button class="button-unstyled short" @click.prevent="onClick">
+    <!-- eslint-disable vue/no-v-html -->
+    <a
+      v-if="!user"
+      href="url"
+      class="original"
+      v-html="content"
+    />
+    <!-- eslint-enable vue/no-v-html -->
+    <span
+      v-if="user"
+      class="new"
+      :style="style"
+      :class="{ '-you': isYou }"
+    >
+      <button
+        class="button-unstyled short"
+        @click.prevent="onClick"
+      >
+        <!-- eslint-disable vue/no-v-html -->
         <span class="shortName">@<span v-html="userName" /></span> <span v-if="isYou">(You)</span>
+        <!-- eslint-enable vue/no-v-html -->
       </button>
-      <span class="full" v-if="userName !== userNameFull">
+      <span
+        v-if="userName !== userNameFull"
+        class="full"
+      >
+        <!-- eslint-disable vue/no-v-html -->
         @<span v-html="userNameFull" />
+        <!-- eslint-enable vue/no-v-html -->
       </span>
     </span>
   </span>

src/components/status_content/status_content.js

@@ -169,10 +169,9 @@ const StatusContent = {
     RichContent
   },
   mounted () {
-    const { attentions } = this.status
-    attentions.forEach(attn => {
+    this.status.attentions.forEach(attn => {
       const { id } = attn
-      this.$store.state.api.backendInteractor.fetchUserIfMissing(this.$store, id)
+      this.$store.dispatch('fetchUserIfMissing', id)
     })
   },
   methods: {