Unique Client GID for Service Introspectino Event. (#779)

Signed-off-by: Tomoya Fujita <[email protected]>

Author: fujitatomoya

rmw_fastrtps_shared_cpp/src/rmw_request.cpp

@@ -129,7 +129,8 @@ __rmw_take_request(
         {
           // Get header
           rmw_fastrtps_shared_cpp::copy_from_fastrtps_guid_to_byte_array(
-            request.sample_identity_.writer_guid(),
+            // Keep the original request publisher guid
+            writer_guid,
             request_header->request_id.writer_guid);
           request_header->request_id.sequence_number =
             ((int64_t)request.sample_identity_.sequence_number().high) <<