hide mute conversation button to guests

src/components/extra_buttons/extra_buttons.js

@@ -40,6 +40,9 @@ const ExtraButtons = {
     },
     canPin () {
       return this.ownStatus && (this.status.visibility === 'public' || this.status.visibility === 'unlisted')
+    },
+    canMute () {
+      return !!this.currentUser
     }
   }
 }

src/components/extra_buttons/extra_buttons.vue

@@ -9,14 +9,14 @@
     <div slot="popover">
       <div class="dropdown-menu">
         <button
-          v-if="!status.muted"
+          v-if="canMute && !status.muted"
           class="dropdown-item dropdown-item-icon"
           @click.prevent="muteConversation"
         >
           <i class="icon-eye-off" /><span>{{ $t("status.mute_conversation") }}</span>
         </button>
         <button
-          v-if="status.muted"
+          v-if="canMute && status.muted"
           class="dropdown-item dropdown-item-icon"
           @click.prevent="unmuteConversation"
         >