[fix][client] Fix breaking changes for the deprecated methods of TopicMessageIdImpl (#20163)

Author: BewareMyPower

pulsar-client/src/main/java/org/apache/pulsar/client/impl/TopicMessageIdImpl.java

@@ -62,7 +62,7 @@ public String getTopicPartitionName() {
 
     @Deprecated
     public MessageId getInnerMessageId() {
-        return new MessageIdImpl(getLedgerId(), getEntryId(), getPartitionIndex());
+        return msgId;
     }
 
     @Override

pulsar-client/src/test/java/org/apache/pulsar/client/impl/TopicMessageIdImplTest.java

@@ -20,6 +20,7 @@
 
 import static org.testng.Assert.assertEquals;
 import static org.testng.Assert.assertNotEquals;
+import static org.testng.Assert.assertSame;
 
 import org.testng.annotations.Test;
 
@@ -54,4 +55,12 @@ public void equalsTest() {
         assertNotEquals(topicMsgId1, topicMsgId2);
     }
 
+    @Test
+    public void testDeprecatedMethods() {
+        BatchMessageIdImpl msgId = new BatchMessageIdImpl(1, 2, 3, 4);
+        TopicMessageIdImpl topicMsgId = new TopicMessageIdImpl("topic-partition-0", "topic", msgId);
+        assertSame(topicMsgId.getInnerMessageId(), msgId);
+        assertEquals(topicMsgId.getTopicPartitionName(), topicMsgId.getOwnerTopic());
+        assertEquals(topicMsgId.getTopicName(), "topic");
+    }
 }