[fix] address SBP fixes - part 2

[1xstj]

Summary of changes
Changes introduced in this pull request:

• Remove transactional macro
• Handle all unsafe arithmetic and unwrap()
• Fix all failing benchmarks
• Add benchmark check to CI
• Add taplo config to format toml files

Reference issue to close (if applicable)
Closes #283

[drewstone]

CI failing here @1xstj

[drewstone]

We have inconsistent spacing in the Cargo.toml files, some using 4 spaces, some using tabs, some using 2 spaces.