* build: upgrade cypress-hardhat

* test: reset hardhat between tests

* test: enable auto-mining

* build: upgrade cypress-hardhat again

* test: permit2 e2e tests

* test: user approval rejection

* refactor: reuse common permit util vars to reduce # of lines

* fix: var casing

* refactor: polish

* refactor: clean up comments and function names

* refactor: remove approval util and update scoping

* fix: further nits