[UX Feature Request] Support EditorTools API
(raised as GitHub issue #31 first, didn't see issues should be raised here instead)
Unity 2019.1+ has an "EditorTools" API that allows quick and convenient access to "tools" in custom inspectors.
Unity uses this, besides other things, for enabling the "Edit Collider" feature of colliders:
Would be great if Shapes used that as well for "Edit in Scene":