fix attr -> prop

Author: simonLeary42

webroot/panel/account.php

@@ -245,13 +245,13 @@
     var defaultShellSelected = false;
     $("#loginSelector option").each(function(i, e) {
         if ($(this).val() == ldapLoginShell) {
-            $(this).attr("selected", true);
+            $(this).prop("selected", true);
             defaultShellSelected = true;
         }
     });
     if (!defaultShellSelected) {
         $("#customLoginBox").val(ldapLoginShell);
-        $("#customLoginSelectorOption").attr("selected", true);
+        $("#customLoginSelectorOption").prop("selected", true);
     }
 
     function showOrHideCustomLoginBox() {
@@ -286,7 +286,7 @@ function isLoginShellValid(x) {
 
     function enableOrDisableCustomLoginBoxHighlight() {
         if (
-            ($("#loginSelector").val() == "Custom") &&
+            ($("#customLoginSelectorOption").prop("selected") == true) &&
             !isLoginShellValid($("#customLoginBox").val())
         ) {
             $("#customLoginBox").css("box-shadow", "0 0 0 0.3rem rgba(220, 53, 69, 0.25)");