Refs #23365. Make transmission of new flag independent of related_sample_identity.

Signed-off-by: Miguel Company <miguelcompany@eprosima.com>

Author: MiguelCompany

src/cpp/rtps/history/WriterHistory.cpp

@@ -474,10 +474,10 @@ void WriterHistory::set_fragments(
     if (change->write_params.related_sample_identity() != SampleIdentity::unknown())
     {
         inline_qos_size += (2 * fastdds::dds::ParameterSerializer<Parameter_t>::PARAMETER_SAMPLE_IDENTITY_SIZE);
-        if (change->write_params.has_more_replies())
-        {
-            inline_qos_size += 4u;
-        }
+    }
+    if (change->write_params.has_more_replies())
+    {
+        inline_qos_size += 4u;
     }
     if (ChangeKind_t::ALIVE != change->kind && TopicKind_t::WITH_KEY == mp_writer->getAttributes().topicKind)
     {

src/cpp/rtps/messages/submessages/DataMsg.hpp

@@ -47,7 +47,8 @@ struct DataMsgUtils
                 (nullptr != inlineQos) ||
                 ((WITH_KEY == topicKind) &&
                 (!change->writerGUID.is_builtin() || expectsInlineQos || change->kind != ALIVE)) ||
-                (change->write_params.related_sample_identity() != SampleIdentity::unknown());
+                (change->write_params.related_sample_identity() != SampleIdentity::unknown()) ||
+                (change->write_params.has_more_replies());
 
         dataFlag = ALIVE == change->kind &&
                 change->serializedPayload.length > 0 && nullptr != change->serializedPayload.data;
@@ -132,11 +133,11 @@ struct DataMsgUtils
             fastdds::dds::ParameterSerializer<fastdds::dds::Parameter_t>::add_parameter_custom_related_sample_identity(
                 msg,
                 change->write_params.related_sample_identity());
+        }
 
-            if (change->write_params.has_more_replies())
-            {
-                fastdds::dds::ParameterSerializer<fastdds::dds::Parameter_t>::add_parameter_more_replies(msg);
-            }
+        if (change->write_params.has_more_replies())
+        {
+            fastdds::dds::ParameterSerializer<fastdds::dds::Parameter_t>::add_parameter_more_replies(msg);
         }
 
         if (WITH_KEY == topicKind && (!change->writerGUID.is_builtin() || expectsInlineQos || ALIVE != change->kind))