Sort on grant dates after role dates.

If role dates are not provided, there will still be a meaningful sort order.

productMods/config/listViewConfig-hasInvestigatorRole.xml

@@ -61,7 +61,7 @@
             <critical-data-required>
             FILTER ( bound(?activity) )
             </critical-data-required>
-        } ORDER BY DESC(?dateTimeEndRole) DESC(?dateTimeStartRole) ?activityLabel ?activityName
+        } ORDER BY DESC(?dateTimeEndRole) DESC(?dateTimeStartRole) DESC(?dateTimeEndGrant) DESC(?dateTimeStartGrant) ?activityLabel ?activityName
     </query-select>
     
     <query-construct>