erp5_ingestion_mysql_innodb_catalog: add reference as default value for catalog url_string

bt5/erp5_ingestion_mysql_innodb_catalog/CatalogMethodTemplateItem/portal_catalog/erp5_mysql_innodb/z_catalog_email_list.sql

@@ -9,7 +9,7 @@
       <dtml-in prefix="loop" expr="email_list">
       (
         <dtml-sqlvar expr="uid[loop_item]" type="int">,  
-        <dtml-sqlvar expr="getUrlString[loop_item]" type="string" optional>
+        <dtml-sqlvar expr="getUrlString[loop_item] or getReference[loop_item]" type="string" optional>
       )
       <dtml-if sequence-end><dtml-else>,</dtml-if>
     </dtml-in>

bt5/erp5_ingestion_mysql_innodb_catalog/CatalogMethodTemplateItem/portal_catalog/erp5_mysql_innodb/z_catalog_email_list.xml

@@ -8,9 +8,9 @@
       <dictionary>
         <item>
             <key> <string>arguments_src</string> </key>
-            <value> <string>uid\r\n
-getUrlString\r\n
-getPortalType</string> </value>
+            <value> <string>uid\n
+getUrlString\n
+getReference</string> </value>
         </item>
         <item>
             <key> <string>connection_id</string> </key>