fix: utilize entire alphabet for random string (#2735)

* fix: utilize entire alphabet for random string

* fix: add lowercase j to string generation chars

web/js/init.js

@@ -625,7 +625,7 @@ $(document).ready(function(){
  * @returns string
  */
 function randomString2(length = 16) {
-  var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
+  var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
   var secure_rng = function (min, max) {
     if (min < 0 || min > 0xffff) {
       throw new Error(
@@ -675,4 +675,4 @@ function randomString2(length = 16) {
       throw new Error("tried a million times, something is wrong");
     }
   }
-};
+};