only load the config once per session

src/scripts/settings/webSettings.js

@@ -1,4 +1,7 @@
+let data;
+
 function getConfig() {
+    if (data) return Promise.resolve(data);
     return fetch("/config.json?nocache=" + new Date().getUTCMilliseconds()).then(function (response) {
         return response.json();
     });