video thumbnail icon

src/components/file_mode/ThumbnailView.vue

@@ -4,6 +4,9 @@
       <video :src="source" :poster="poster" :controls="!previewOnly" class="w-100 h-100">
         {{ $t("fallbacks.video_file") }}
       </video>
+      <div class="video-icon" v-if="previewOnly">
+        <v-icon class="icon" size="34">$vuetify.icons.ic_video</v-icon>
+      </div>
     </v-responsive>
     <ImageWithProgress
       v-else-if="isImage"
@@ -159,7 +162,7 @@ const imageLoaded = (image: any) => {
     } else {
       w = rect.height * iRatio;
       h = rect.height;
-    }      
+    }
 
     l = (rect.width - w) / 2;
     t = (rect.height -h) / 2;
@@ -271,6 +274,13 @@ onBeforeUnmount(() => {
   &.pdf-file {
     overflow-y: auto;
   }
+
+  .video-icon {
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+  }
 }
 
 .file-item {