Update modx.grid.role.js

Add missing config property so error messages appear below fields in Create window

Author: smg6511

manager/assets/modext/widgets/security/modx.grid.role.js

@@ -153,7 +153,8 @@ MODx.window.CreateRole = function(config = {}) {
         action: 'Security/Role/Create',
         formDefaults: {
             allowBlank: false,
-            anchor: '100%'
+            anchor: '100%',
+            msgTarget: 'under'
         },
         fields: [{
             name: 'name',