Use params for importing dash sources

src/invidious/views/components/player_sources.ecr

@@ -8,7 +8,7 @@
 <script src="/js/videojs-markers.min.js"></script>
 <script src="/js/videojs-share.min.js"></script>
 <script src="/js/videojs-http-streaming.min.js"></script>
-<% if env.get?("user") && env.get("user").as(User).preferences.quality == "dash" %>
+<% if params[:quality] == "dash" %>
 <script src="/js/dash.mediaplayer.min.js"></script>
 <script src="/js/videojs-dash.min.js"></script>
 <script src="/js/videojs-contrib-quality-levels.min.js"></script>