fix: correctly show gdpr delete button

bin/controls/user/GdprActions.js

@@ -136,7 +136,7 @@ define('package/quiqqer/gdpr/bin/controls/user/GdprActions', [
                 }
 
                 // Delete user
-                if (!canDeleteUser) {
+                if (canDeleteUser) {
                     new QUIButton({
                         'class'  : 'quiqqer-gdpr-user-actions-data',
                         textimage: 'fa fa-trash',