* chore: rename module-local variables to not conflict
* feat: make ICopyable generic and update clipboard APIs
* chore: switch over more things to use generic ICopyables
* chore: fix shortcut items using copy paste
* chore: add test for interface between clipboard and pasters
* chore: export isCopyable
* chore: format
* chore: fixup PR comments
* chore: add deprecation tags