Fix issue jetty#5499

this PR let the ByteAccumulator recyclable. after invoke ByteAccumulator.transferTo method
we can invoke ByteAccumulator.recycle method to reuse byte[] via ByteAccumulator.newByteArray method

Signed-off-by: Baoyi Chen <chen.bao.yi@qq.com>

jetty-websocket/websocket-common/src/main/java/org/eclipse/jetty/websocket/common/extensions/compress/CompressExtension.java

@@ -179,7 +179,7 @@ protected ByteAccumulator newByteAccumulator()
         int maxSize = Math.max(getPolicy().getMaxTextMessageSize(), getPolicy().getMaxBinaryMessageSize());
         if (accumulator == null || accumulator.getMaxSize() != maxSize)
         {
-            accumulator = new ByteAccumulator(maxSize);
+            accumulator = new ByteAccumulator(maxSize, getBufferPool());
         }
         return accumulator;
     }