chore: mother of marie kondo (#8527)

* chore: more components used from old sandbox page

* feat: remove page from router

* fix: redirects for /s, /d, /new

* feat: remove editor components

* remove deployments

* cleanup overmind

* rest api cleanup

* gql cleanup

* cleanup modals

* redirects and typecheck fix

* more cleanup

* more cleanup

* clean up code editor components

* last cleanup

* typecheck

* merge changes

* fix tests

* fix: typecheck

* undo type declaration

* fix browserfs type

* remove unused preferences