IllegalStateException: Field 'read_compacted' is not set

**Describe the bug**
Hello, I got the following error fro Pulsar 2.8.0 (binaries downloaded from the website):

```
14:04:09.671 [pulsar-io-29-11] INFO org.apache.pulsar.broker.service.ServerCnx - New connection from /127.0.0.1:33960
14:04:09.675 [pulsar-io-29-12] INFO org.apache.pulsar.broker.service.ServerCnx - New connection from /127.0.0.1:33962
14:04:09.677 [pulsar-io-29-12] WARN org.apache.pulsar.broker.service.ServerCnx - [/127.0.0.1:33962] Got exception java.lang.IllegalStateException: Field 'read_compacted' is not set
at org.apache.pulsar.common.api.proto.CommandSubscribe.isReadCompacted(CommandSubscribe.java:383)
at org.apache.pulsar.broker.service.ServerCnx.handleSubscribe(ServerCnx.java:915)
at org.apache.pulsar.common.protocol.PulsarDecoder.channelRead(PulsarDecoder.java:227)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at io.netty.handler.flow.FlowControlHandler.dequeue(FlowControlHandler.java:200)
at io.netty.handler.flow.FlowControlHandler.channelRead(FlowControlHandler.java:162)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:324)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:296)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:795)
at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:480)
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:378)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Thread.java:748)

14:04:09.677 [pulsar-io-29-12] INFO org.apache.pulsar.broker.service.ServerCnx - Closed connection from /127.0.0.1:33962
14:04:09.677 [pulsar-io-29-11] INFO org.apache.pulsar.broker.service.ServerCnx - Closed connection from /127.0.0.1:33960
```

But `read_compacted` is still marked as an optional field in the binary protocol: https://github.com/apache/pulsar/blob/6704f12104219611164aa2bb5bbdfc929613f1bf/pulsar-common/src/main/proto/PulsarApi.proto#L355

**To Reproduce**
1. Download 2.8.0 binaries from https://pulsar.apache.org/en/download/
2. start with `pulsar standalone`
3. install https://github.com/vmalloc/pulsar-cli
4. run with `pulsar-cli consume --topic test --json`

**Expected behavior**
If I trust the protobuf definition the consumer should be created properly. Should the Protobuf file be updated?

Start with PulsarApi.proto at the read_compacted field and trace CommandSubscribe.isReadCompacted into ServerCnx.handleSubscribe. Reproduce with Pulsar 2.8.0 standalone and pulsar-cli consume --topic test --json, then compare the protocol definition and subscription handling. Done means the consumer is created without the reported IllegalStateException.

Written by the indexing model from the issue text.