Fix #1592 include extra_sort.value in column list

modules/document/document.model.php

@@ -1440,6 +1440,10 @@ class documentModel extends document
 					$args->sort_index = 'extra_sort.value';
 				}
 				$query_id = 'document.getDocumentListWithExtraVars';
+				if($args->columnList)
+				{
+					$args->columnList[] = 'extra_sort.value';
+				}
 			}
 			else
 			{

modules/document/queries/getDocumentListExtraSort.xml

@@ -5,6 +5,7 @@
     </tables>
     <columns distinct="distinct">
         <column name="d.*" />
+        <column name="ev.value" />
     </columns>
     <index_hint name="idx_document_list_order" type="use" />
     <conditions>

modules/document/queries/getDocumentListWithExtraVars.xml

@@ -6,6 +6,7 @@
 	</tables>
 	<columns distinct="distinct">
 		<column name="documents.*" />
+		<column name="extra_sort.value" />
 	</columns>
 	<conditions>
 		<condition operation="like" column="extra_vars.value" var="var_value" />