fix(core): fix incompatibilities caused by the latest cargo fix

[nabetti1720]

Description of changes

After applying the latest rust toolchain, we found new incompatibilities and have fixed them.

% rustup update          
info: syncing channel updates for 'stable-aarch64-apple-darwin'
info: syncing channel updates for 'nightly-aarch64-apple-darwin'
info: checking for self-update

   stable-aarch64-apple-darwin unchanged - rustc 1.84.0 (9fc6b4312 2025-01-07)
  nightly-aarch64-apple-darwin unchanged - rustc 1.86.0-nightly (824759493 2025-01-09)

Checklist

• Created unit tests in tests/unit and/or in Rust for my feature if needed
• Ran make fix to format JS and apply Clippy auto fixes
• Made sure my code didn't add any additional warnings: make check
• Added relevant type info in types/ directory
• Updated documentation if needed (API.md/README.md/Other)

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