[improve][broker] Optimize high CPU usage when consuming from topics …

…with ongoing txn (apache#23189)

managed-ledger/src/main/java/org/apache/bookkeeper/mledger/impl/ManagedCursorImpl.java

@@ -953,7 +953,7 @@ public void asyncReadEntriesWithSkipOrWait(int maxEntries, long maxSizeBytes, Re
 
         int numberOfEntriesToRead = applyMaxSizeCap(maxEntries, maxSizeBytes);
 
-        if (hasMoreEntries()) {
+        if (hasMoreEntries() && maxPosition.compareTo(readPosition) >= 0) {
             // If we have available entries, we can read them immediately
             if (log.isDebugEnabled()) {
                 log.debug("[{}] [{}] Read entries immediately", ledger.getName(), name);