* Add a code mod for offset plane
* Add support for default plane selections to our `otherSelections` object
* Make availableVars work without a selection range
(because default planes don't have one)
* Make default planes selectable in cmdbar even if AST is empty
* Add offset plane command and activate in toolbar
* Avoid unnecessary error when sketching on offset plane by returning early
* Add supporting test features for offset plane E2E test
* Add WIP E2E test for offset plane
Struggling to get local electron test suite running properly
* Typos
* Lints
* Fix test by making it a web-based one:
I couldn't use the cmdBar fixture with an electron test for some reason.
* Update src/lib/commandBarConfigs/modelingCommandConfig.ts
* Update src/machines/modelingMachine.ts
* Revert changes to `homePageFixture`, as they were unused
* @Irev-Dev feedback: convert action to actor, fix machine layout
* Update plane icon to be not dashed, follow conventions closer
4423ae16dc