[Rust] optimize rust buffer read_xxx/write_xxx perf

[chaokunyang]

Feature Request

optimize rust buffer read_xxx/write_xxx perf

Is your feature request related to a problem? Please describe

Currently fory buffer.rs is not fast enough, it introduce extra stack object allocation and copy.

Describe the solution you'd like

Use unsafe and avoid stack object allocation

Describe alternatives you've considered

No response

Additional context

No response