Remove insecure protocol in embedded view

assets/js/player.js

@@ -751,7 +751,7 @@ if (window.location.pathname.startsWith("/embed/")) {
 
     // Create hyperlink for current instance
     redirect_element = document.createElement("a");
-    redirect_element.setAttribute("href", `http://${window.location.host}/watch?v=${window.location.pathname.replace("/embed/","")}`)
+    redirect_element.setAttribute("href", `//${window.location.host}/watch?v=${window.location.pathname.replace("/embed/","")}`)
     redirect_element.appendChild(document.createTextNode("Invidious"))
 
     watch_on_invidious_button.el().appendChild(redirect_element)