Call ze_querying_subscriber_get after query sub is initialized

Signed-off-by: Yadunund <[email protected]>

rmw_zenoh_cpp/src/rmw_zenoh.cpp

@@ -1321,6 +1321,14 @@ rmw_create_subscription(
       RMW_SET_ERROR_MSG("unable to create zenoh subscription");
       return nullptr;
     }
+    // Call this method when a publisher with matching QoS is discovered since
+    // the published data could have been transmitted before the publisher was
+    // discovered.
+    ze_querying_subscriber_get(
+      z_loan(std::get<ze_owned_querying_subscriber_t>(sub_data->sub)),
+      z_loan(keyexpr),
+      NULL
+    );
   }
   // Create a regular subscriber for all other durability settings.
   else {