Remove menu hover styles on mobile
Fixed duplicate hover+active behavior on editor menus
Fixed editor menus visibly scroll to the top when reopened
Fixed some minor editor spacing issues
Renamed shred routeHelpers -> urlHelpers
This PR moves the entire project to Typescript. Due to the ~1000 ignores this will lead to a messy codebase for a while, but the churn is worth it – all of those ignore comments are places that were never type-safe previously.
closes#1282
