[BUG] - Issue Title cse 2.8.20版本 org.apache.servicecomb.foundation.vertx.stream.BufferInputStream流 int read()方法读取单字节，如果读取到流末尾会抛异常IndexOutOfBoundsException #4778

public class CseBufferInputStream {
    public static void main(String[] args) throws IOException {
        byte[] byteArray = new byte[10];

        BufferedReader br = null;
        try {
            // 由于StsCseServerFilter要在此Filter之前执行，所以，需要重置码流，将ridx置0
            InputStream inputStream = getRealInputStream(byteArray);
            if (inputStream == null) {
                return;
            }
            inputStream.reset();
            while (inputStream.read() >= 0) {
                ;
            }
        } finally {
            IOUtils.closeQuietly(br);
        }
    }

    public static InputStream getRealInputStream(byte[] byteArray) {
        // 创建 UnpooledSlicedByteBuf
        ByteBuf slicedByteBuf = Unpooled.wrappedBuffer(byteArray);
        // 创建 BufferInputStream，这个stream类型，以及里面的Buffer和真实的走CSE请求的一致
        InputStream inputStream = new BufferInputStream(slicedByteBuf);
        return inputStream;
    }
}

/**
 * gzip解压
 * @param byteArray gzip压缩数据
 *
 * @throws IOException IOException
 */
public static void gzipRead(byte[] byteArray) throws IOException {
    BufferedReader br = null;
    try {
        // 由于StsCseServerFilter要在此Filter之前执行，所以，需要重置码流，将ridx置0
        InputStream inputStream = getRealInputStream(byteArray);
        if (inputStream == null) {
            return;
        }
        inputStream.reset();

        br = new BufferedReader(new InputStreamReader(new GZIPInputStream(inputStream), "UTF-8"));
        char[] readBuff = new char[2048];
        while ((br.read(readBuff)) > 0) {
        }
    } finally {
        IOUtils.closeQuietly(br);
    }
}

public static InputStream getRealInputStream(byte[] byteArray) {
    // 创建 UnpooledSlicedByteBuf
    ByteBuf slicedByteBuf = Unpooled.wrappedBuffer(byteArray);
    // 创建 BufferInputStream，这个stream类型，以及里面的Buffer和真实的走CSE请求的一致
    InputStream inputStream = new BufferInputStream(slicedByteBuf);
    return inputStream;
}