WebUI: access attribute/property natively

It is now clearer to see what property is being accessed.
Previously mootools library would re-map attribute/property to another.

PR #21007.

src/webui/www/private/scripts/prop-peers.js

@@ -70,7 +70,7 @@ window.qBittorrent.PropPeers = (function() {
                 loadTorrentPeersTimer = loadTorrentPeersData.delay(window.qBittorrent.Client.getSyncMainDataInterval());
             },
             onSuccess: function(response) {
-                $("error_div").set("html", "");
+                $("error_div").textContent = "";
                 if (response) {
                     const full_update = (response["full_update"] === true);
                     if (full_update)