fix: small fixes

[Vaiz]

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[Copilot]

Pull Request Overview

This PR standardizes the representation of optional attributes in the NFS3 server implementation by replacing the NFS3-specific post_op_attr wrapper type with Rust's native Option<fattr3> type. This change simplifies the API and makes it more idiomatic Rust code.

Key changes:

• Replaced post_op_attr enum with Option<fattr3> for optional file attributes
• Updated field name from handle to name_handle in DirEntryPlus struct for clarity
• Removed unused imports of post_op_attr and Nfs3Option types

Reviewed Changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
crates/nfs3_server/src/vfs/mod.rs	Updated imports to include post_op_attr and removed fattr3
crates/nfs3_server/src/vfs/iterator.rs	Changed DirEntryPlus to use Option<fattr3> and renamed handle field to name_handle
crates/nfs3_server/src/vfs/adapters/mod.rs	Updated pattern matching from Nfs3Option::Some to Some for optional attributes
crates/nfs3_server/src/vfs/adapters/iterator.rs	Updated test cases to use new field names and optional attribute format
crates/nfs3_server/src/memfs/mod.rs	Updated memfs iterator to use new optional attribute format
crates/nfs3_server/examples/mirrorfs.rs	Updated mirrorfs example to use new optional attribute format
crates/cargo_nfs3_server/src/mirror.rs	Updated cargo mirror implementation to use new optional attribute format