✅ Cherry pick fixes from 59a955f4

tests/php-unit-tests/unitary-tests/application/applicationextension/Delta/application-extension-usages-in-snippets.xml

@@ -140,7 +140,7 @@ class ExampleFor_iQueryModifier implements \iQueryModifier
 
 	public function GetFieldExpression(QueryBuilderContext &$oBuild, $sClass, $sAttCode, $sColId, Expression $oFieldSQLExp, SQLQuery &$oSelect)
 	{
-	  // Do nothing, we just need the class to exists for the unit test
+	  return $oFieldSQLExp;
 	}
 }
       ]]></content>