Add missing table aliases to fields mapping for Customer Group filter and sorting processor #15822

Author: Max Gopey

app/code/Magento/Customer/etc/di.xml

@@ -340,19 +340,19 @@
     <virtualType name="Magento\Customer\Model\Api\SearchCriteria\CollectionProcessor\GroupFilterProcessor" type="Magento\Framework\Api\SearchCriteria\CollectionProcessor\FilterProcessor">
         <arguments>
             <argument name="fieldMapping" xsi:type="array">
-                <item name="code" xsi:type="string">customer_group_code</item>
-                <item name="id" xsi:type="string">customer_group_id</item>
-                <item name="tax_class_name" xsi:type="string">class_name</item>
+                <item name="code" xsi:type="string">main_table.customer_group_code</item>
+                <item name="id" xsi:type="string">main_table.customer_group_id</item>
+                <item name="tax_class_name" xsi:type="string">tax_class_table.class_name</item>
             </argument>
         </arguments>
     </virtualType>
     <!-- @api -->
     <virtualType name="Magento\Customer\Model\Api\SearchCriteria\CollectionProcessor\GroupSortingProcessor" type="Magento\Framework\Api\SearchCriteria\CollectionProcessor\SortingProcessor">
         <arguments>
             <argument name="fieldMapping" xsi:type="array">
-                <item name="code" xsi:type="string">customer_group_code</item>
-                <item name="id" xsi:type="string">customer_group_id</item>
-                <item name="tax_class_name" xsi:type="string">class_name</item>
+                <item name="code" xsi:type="string">main_table.customer_group_code</item>
+                <item name="id" xsi:type="string">main_table.customer_group_id</item>
+                <item name="tax_class_name" xsi:type="string">tax_class_table.class_name</item>
             </argument>
             <argument name="defaultOrders" xsi:type="array">
                 <item name="id" xsi:type="string">ASC</item>