Rewrite table builder calls to work with the new
`TableBuilderHelper::Column#link_to` mechanism for defining the linked
column and what it points to. This takes the link out of the
`TableBuilderHelper`, and puts it into the hands of the view.

It gives us more flexibility with regards to what can be defined as a
link in our tables and what those links point to.

This will be used in a more meaningful way in the `imports#show` page to
list `NetexImport`s and provide links to both the referential associated
with a Netex import and the imported file status page from a table row.

Convert the table of Lines to use the new version of the table builder.
Update the view with the new calling format of the helper.

The controller needs to decorate the `@lines` collection in order to
make `#action_links` available to the table builder.

Needed to update the "_filters.html.slim" template to call
`#human_attribute_name` on the class instead of the collection, because
we can't do that on a decorated collection.

Refs #3479

Get the header links from the decorator so we can reuse them instead of
defining them directly in the template.

Add an option to the `destroy_link_content` Rails helper method to allow
us to specify alternate translation keys, giving us different text in
the button label. Added this because the template in question uses a
different label than the others (usually it's `actions.destroy`).

Refs #3479

Refs #3109

Refs #3077