Fix determining viewLayer when using transitive dependency

[ghengeveld]

Fixes #342

This also drops addons reporting because we aren't using it and it's not reliable anyway.

[tmeasday]

This LGTM apart from dropping addons -- we do use the fact that you are using docs or essentials to decide whether to show the docs tab on the component screen.

We'll need to change that in Chromatic before we can drop it.

[ghengeveld]

This LGTM apart from dropping addons -- we do use the fact that you are using docs or essentials to decide whether to show the docs tab on the component screen.

We'll need to change that in Chromatic before we can drop it.

Right, I wasn't aware of that. Reverted.