### What?
Selected documents in a relationship field can be opened in a new tab.
### Why?
Related documents can be edited using the edit icon which opens the
document in a drawer. Sometimes users would like to open the document in
a new tab instead to e.g. modify the related document at a later point
in time. This currently requires users to find the related document via
the list view and open it there. There is no easy way to find and open a
related document.
### How?
Adds custom handling to the relationship edit button to support opening
it in a new tab via middle-click, Ctrl+click, or right-click → 'Open in
new tab'.
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Co-authored-by: Jacob Fletcher <jacobsfletch@gmail.com>