HBASE-27969 TableReplicationQueueStorage.hasData does not work as exp…

…ected (#5321)

Signed-off-by: Liangjun He <heliangjun@apache.org>
(cherry picked from commit 1d704a7)

hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/TableReplicationQueueStorage.java

@@ -533,7 +533,7 @@ public Set<String> getAllHFileRefs() throws ReplicationException {
   @Override
   public boolean hasData() throws ReplicationException {
     try {
-      return conn.getAdmin().getDescriptor(tableName) != null;
+      return conn.getAdmin().tableExists(tableName);
     } catch (IOException e) {
       throw new ReplicationException("failed to get replication queue table", e);
     }