fix display of blank emails and naming of fields

the input areas in the user email menu were incorrectly identified by
the email address, which caused duplicate ids on blank fields, and
probably stopped any changes from being applied.

data/static/admin.js

@@ -740,10 +740,10 @@ document.getElementById('openUsers').onclick = function () {
                     address.setAttribute('type', 'email');
                     address.readOnly = true;
                     address.classList.add('form-control-plaintext', 'text-muted', 'd-inline-block', 'addressText');
-                    address.id = 'address_' + user['email'];
+                    address.id = 'address_' + user['name'];
+                    address.setAttribute('style', 'width: auto; margin-left: 2%;');
                     if (typeof(user['email']) != 'undefined') {
                         address.value = user['email'];
-                        address.setAttribute('style', 'width: auto; margin-left: 2%;');
                     }
                     let editButton = document.createElement('i');
                     editButton.classList.add('fa', 'fa-edit', 'd-inline-block', 'icon-button');