Lazy to parse local log segment instead of read all into memory

[luoyuxia]

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• I searched in the issues and found nothing similar.

Description

See

fluss-rust/crates/fluss/src/client/table/remote_log.rs

Line 391 in 3e3ab5a

let mut data = self.download_future.get_remote_log_bytes()?;

It'll read all into memory. But we can avoid it, see FileLogRecords in java side

Willingness to contribute

• I'm willing to submit a PR!