Make lint step run autoformat and commit changes for you + minor refactoring

[artem-shelkovnikov]

This PR attempts to run autoformat if possible on linting stage

Actual changes:

• If on a branch with a PR, linting stage will run make autoformat and commit changes if it fixes linting failure
• Notice check now runs first and all other commands wait for it to finish. It's done because both linting and notice check stages can do autofix + push, and it'll cause conflicts and weird job restarts. The wait step ensures we don't run both steps at the same time. This makes CI a bit slower though
• Cleans up shell scripts a bit to re-use as much code as possible + delete broken/unused code

[navarone-feekery]

Very cool!