BB-659: Add an author for a work from the WorkTable

[the-good-boy]

Problem

In the WorkTable component which displays the works in an Edition, if the author of a work is not present, it is displayed as a "?". We should be able to directly add an author from here for this work (Similar to the Add ${entity} button which is displayed on the entity pages)

Solution

Now the "?" is clickable

On clicking "?", it will take you to add Author page

The editor will have the relationship with the work already attached

[MonkeyDo]

So I want to hold off a bit on this PR, as I think it may result in more duplicate entites.
The reason is it pushes users to create a new entity, rather than give them the option to create a new author or add a relationship to an existing author.
There is PR #804 that does attempt to do just that for Editions; I think we will end up going that route for Author-Work relationships as well.

[MonkeyDo]

I think the question mark is not very clear anymore as a clickable link. It was OK as a 'nothing to show here' but as a call to action I think something like this would work better, what do you think?

I'm using the same sort of button as the "Add work" button below for consistency, but with size="sm"

[kellnerd]

This is BB-659 not BB-569 😏