HPCC-13261 Ensure streaming graph inputs are evaluated globally

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>

ecl/hqlcpp/hqlinline.cpp

@@ -289,7 +289,7 @@ static unsigned calcInlineFlags(BuildCtx * ctx, IHqlExpression * expr)
     case no_getresult:
         return expr->isDatarow() ? RETevaluate : RETassign;
     case no_getgraphresult:
-        if (expr->hasAttribute(_distributed_Atom))
+        if (expr->hasAttribute(_distributed_Atom) || expr->hasAttribute(_streaming_Atom))
             return 0;
         return expr->isDatarow() ? RETevaluate : RETassign;
     case no_temptable: