Fix store offset parameters

As you can see https://github.com/rabbitmq/rabbitmq-server/blob/860333a08816e05749ebfbdad32a7da66d5c9b3f/deps/rabbitmq_stream_common/src/rabbit_stream_core.erl#L239

There is the stream name and not the subscription id in this message.

(cherry picked from commit 2246727)

Author: korsmakolnikov

deps/rabbitmq_stream/docs/PROTOCOL.adoc

@@ -370,7 +370,7 @@ StoreOffset => Key Version Reference Stream Offset
   Key => uint16 // 10
   Version => uint16
   Reference => string // max 256 characters
-  SubscriptionId => uint8
+  Stream => string // the name of the stream
   Offset => uint64
 ```