Add stream consumer group lack functionality

[BorysTheDev]

we lack some stream functionality that was added in Redis in next commits

• https://github.com/redis/redis/commit/c81c7f51c38de6dff5ffc55b5184061b84c7ea5f
• https://github.com/redis/redis/commit/72e90695ec8091e483c50a5f0003372f9bebc06d

[romange]

Both are subset of https://github.com/dragonflydb/dragonfly/issues/4193