Reworking view_chains to partial prefixes

Instead of recomposing the array, opt for explicit prefixes in the
specified order.

The code is a little less confusing as a result.
Adding low level TODO tasks

[skip ci]
Setting EntityPresenter#default_partial_prefixes

By default the partial_prefix is the work_type cast to a file friendly
format.
Adding EntityPresenter#render spec

Verifying the diminishing specificity for rendering is adheared to.
Adding FieldsetPresenter#default_partial_prefixes

Verifying the diminishing specificity for rendering is leveraged.
Adding PropertyPresenter#default_partial_prefixes

Verifying the diminishing specificity for rendering is leveraged.