* feat: Add a mid point for linear elements
* fix tests
* show mid point only on hover
* hacky fix :(
* don't add mid points if present and only add outside editor
* improve styling and always show phantom point instead of just on hover
* fix tests
* fix
* only add polyfill for test
* add hover state for phantom point
* fix tests
* fix
* Add Array.at polyfill
* reuse `centerPoint()` helper
* reuse `distance2d`
* use `Point` type
Co-authored-by: dwelle <luzar.david@gmail.com>