feat(ring_theory/polynomial): refactor of is_integral_domain_fin (#2119)
* chore(ring_theory/polynomial): refactor proof of is_noetherian_ring_fin
* not there yet
* feat(ring_theory/polynomial): refactor of is_integral_domain_fin
* fix
* refactor
* fix
* fix
* suggestion from linter
* Update src/data/mv_polynomial.lean
Co-authored-by: Johan Commelin <johan@commelin.net>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>