Dev: Fixed issue : Be sure EM code is uptodate when import VV

Dev: This must be done, seems currently it was totally broken sometimes

application/helpers/admin/import_helper.php

@@ -1764,6 +1764,7 @@ function CSVImportResponses($sFullFilePath,$iSurveyId,$aOptions=array())
     $aRealFieldNames = Yii::app()->db->getSchema()->getTable(SurveyDynamic::model($iSurveyId)->tableName())->getColumnNames();
     //$aCsvHeader=array_map("trim",explode($aOptions['sSeparator'], trim(array_shift($aFileResponses))));
     $aCsvHeader=str_getcsv(array_shift($aFileResponses),$aOptions['sSeparator'],$aOptions['sQuoted']);
+    LimeExpressionManager::SetDirtyFlag($iSurveyId); // Be sure survey EM code are up to date
     $aLemFieldNames=LimeExpressionManager::getLEMqcode2sgqa($iSurveyId);
     $aKeyForFieldNames=array();// An array assicated each fieldname with corresponding responses key
     if(!$aCsvHeader){