Create managed ledger path on local zookeeper when create partitions (a…

…pache#6189)

### Motivation

Create managed ledger path on local zookeeper when creating partitions for a partitioned topic.

### Modifications

Change globalZk() to localZk() when creating partitions.

### Verifying this change

PartitionCreationTest can cover this change, since we use the same zookeeper for the unit test in ProducerConsumerBase, so the test passed before.

pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/AdminResource.java

@@ -113,8 +113,8 @@ protected void zkCreateOptimistic(String path, byte[] content) throws Exception
         ZkUtils.createFullPathOptimistic(globalZk(), path, content, ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
     }
 
-    protected void zkCreateOptimisticAsync(String path, byte[] content, AsyncCallback.StringCallback callback) {
-        ZkUtils.asyncCreateFullPathOptimistic(globalZk(), path, content, ZooDefs.Ids.OPEN_ACL_UNSAFE,
+    protected void zkCreateOptimisticAsync(ZooKeeper zk, String path, byte[] content, AsyncCallback.StringCallback callback) {
+        ZkUtils.asyncCreateFullPathOptimistic(zk, path, content, ZooDefs.Ids.OPEN_ACL_UNSAFE,
                 CreateMode.PERSISTENT, callback, null);
     }
 
@@ -265,7 +265,7 @@ protected void tryCreatePartitionsAsync(int numPartitions) {
     }
 
     private void tryCreatePartitionAsync(final int partition) {
-        zkCreateOptimisticAsync(ZkAdminPaths.managedLedgerPath(topicName.getPartition(partition)), new byte[0],
+        zkCreateOptimisticAsync(localZk(), ZkAdminPaths.managedLedgerPath(topicName.getPartition(partition)), new byte[0],
             (rc, s, o, s1) -> {
                 if (KeeperException.Code.OK.intValue() == rc) {
                     if (log.isDebugEnabled()) {