Fixed empty previews in Chrome

frontend/packages/vjs-plugin/src/styles.scss

@@ -1912,6 +1912,7 @@ $controlBarAnimationsDuration: 0.1s;
         width: 160px;
         height: 120px;
         overflow: hidden;
+        background-repeat: no-repeat;
         background-position: center 0;
         background-size: cover;
         background-color: rgba(28, 28, 28, 0.9);