Contextual delete link results in a 404 due to destination query param

Problem/Motivation

When deleting an entity via a contextual link, the user will be taken to a 404 page after confirming the deletion due to the destination parameter added by contextual.js

This is also impossible to override due to 🐛 contextual.js overrides any destination query param set earlier Needs work

Steps to reproduce

Delete a node via a contextual link on the node page.

Proposed resolution

Explore options in #22

Remaining tasks

1. Test
2. Fix