Proxy thumbnails for related videos

src/invidious/views/watch.ecr

@@ -123,7 +123,7 @@
             <a href="/watch?v=<%= rv["id"] %>">
                 <% if preferences && preferences.thin_mode %>
                 <% else %>
-                <img style="width:100%;" src="<%= rv["iurlmq"] %>">
+                <img style="width:100%;" src="/vi/<%= rv["id"] %>/mqdefault.jpg">
                 <% end %>
                 <p style="width:100%"><%= rv["title"] %></p>
                 <p>