Merge pull request #13082 from richardkchapman/embedded-activity-reset

HPCC-22988 Embedded activities do not properly reset upstream activities

Reviewed-by: Gavin Halliday <ghalliday@hpccsystems.com>

roxie/ccd/ccdserver.cpp

@@ -13796,12 +13796,13 @@ public:
             rows->stop();
             rows.clear();
         }
-        CRoxieServerMultiInputBaseActivity::stop();
+        CRoxieServerMultiInputActivity::stop();
     }
 
     virtual void reset()
     {
         rows.clear();
+        CRoxieServerMultiInputActivity::reset();
     }
 
     virtual const void * nextRow()