fixed #164 - [CustomerListView] firstname/lastname filter broken

Author: Christian Fasching

doc/03_Configuration.md

@@ -234,8 +234,10 @@ pimcore_customer_management_framework:
                   - email
 
                 # name search filter
-                name:
+                firstname:
                   - firstname
+                      
+                lastname: 
                   - lastname
 
                 # main search filter

src/DependencyInjection/Configuration.php

@@ -289,8 +289,10 @@ private function buildCustomerListNode()
             'email' => [
                 'email'
             ],
-            'name' => [
-                'firstname',
+            'firstname' => [
+                'firstname'
+            ],
+            'lastname' => [
                 'lastname'
             ],
             'search' => [