fix edge case of videos and unknown files together

src/components/attachment/attachment.js

@@ -60,7 +60,8 @@ const Attachment = {
       return this.size === 'small'
     },
     fullwidth () {
-      return this.type === 'html' || this.type === 'audio'
+      if (this.size === 'hide') return false
+      return this.type === 'html' || this.type === 'audio' || this.type === 'unknown'
     },
     useModal () {
       const modalTypes = this.size === 'hide' ? ['image', 'video', 'audio']

src/components/attachment/attachment.vue

@@ -1,6 +1,7 @@
 <template>
   <div
     v-if="usePlaceholder"
+    :class="{ 'fullwidth': fullwidth }"
     @click="openModal"
   >
     <a