fix: resolve clippy lints in win-api-wrappers for strict enforcement

[Copilot]

Fix Clippy Linting Errors from PR #1561

PR #1561 enabled strict clippy enforcement (-D warnings) in CI, exposing 14 warnings in win-api-wrappers that now break the build.

Changes

Safety documentation

• Added missing safety comments to 5 unsafe blocks in identity/account.rs, rpc.rs
• Split multiple unsafe operations into separate blocks in fs.rs

Code quality improvements

• netmgmt.rs: Suppressed unavoidable cast_ptr_alignment with documented justification
• process.rs: Collapsed nested if using let-chain syntax
• token.rs: Replaced as u8 with u8::from() for lossless bool conversion
• utils.rs: Replaced repeat().take() with repeat_n() (3 instances)
• wts.rs: Replaced unwrap() with expect() providing context (2 instances)

Verification

All requested verification commands completed successfully:

• ✅ cargo +nightly fmt --all - Applied formatting
• ✅ cargo clippy --workspace --tests -- -D warnings - Passed
• ✅ cargo test --workspace - Passed (pre-existing network test failures unrelated to changes)

All changes preserve existing behavior while satisfying new clippy requirements.

Original prompt

Analyze the job failure in GitHub Actions run https://github.com/Devolutions/devolutions-gateway/actions/runs/19170360791/job/54801084395?pr=1561 in the Devolutions/devolutions-gateway repository. Automatically diagnose the root cause and implement the necessary changes to fix the failing workflow or any impacted code. Create a pull request with your solution targeting the master branch.

This pull request was created as a result of the following prompt from Copilot chat.

Analyze the job failure in GitHub Actions run https://github.com/Devolutions/devolutions-gateway/actions/runs/19170360791/job/54801084395?pr=1561 in the Devolutions/devolutions-gateway repository. Automatically diagnose the root cause and implement the necessary changes to fix the failing workflow or any impacted code. Create a pull request with your solution targeting the master branch.

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[CBenoit]

LGTM

[CBenoit]

@copilot Run the following commands to verify your changes:

cargo +nightly fmt --all
cargo clippy --workspace --tests -- -D warnings
cargo test --workspace

[Copilot]

@copilot Run the following commands to verify your changes:

cargo +nightly fmt --all

...

Verification complete:

• ✅ cargo +nightly fmt --all - Applied formatting (fc19622)
• ✅ cargo clippy --workspace --tests -- -D warnings - Passed
• ✅ cargo test --workspace - Passed

All commands executed successfully. The only test failures are pre-existing network-related issues (DNS resolution for rust-lang.org) unrelated to these changes.

Warning

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• rust-lang.org
  • Triggering command: /home/REDACTED/work/devolutions-gateway/devolutions-gateway/target/debug/deps/socks5_to_jmux-e6d0080b9cf1ec35 (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

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