embed page: fix typo in videojs-overlay script URL

Author: SamantazFox

src/invidious/views/embed.ecr

@@ -7,7 +7,7 @@
     <meta name="thumbnail" content="<%= thumbnail %>">
     <%= rendered "components/player_sources" %>
     <link rel="stylesheet" href="/videojs/videojs-overlay/videojs-overlay.css?v=<%= ASSET_COMMIT %>">
-    <script src="videojs/videojs-overlay/videojs-overlay.js?v=<%= ASSET_COMMIT %>"></script>
+    <script src="/videojs/videojs-overlay/videojs-overlay.js?v=<%= ASSET_COMMIT %>"></script>
     <link rel="stylesheet" href="/css/default.css?v=<%= ASSET_COMMIT %>">
     <link rel="stylesheet" href="/css/embed.css?v=<%= ASSET_COMMIT %>">
     <title><%= HTML.escape(video.title) %> - Invidious</title>