"Building footprint ID" and "UPRN" need source type and source link

[mdsimpson42]

In the Location Category, we have two fields:

• Building footprint ID
• UPRN(s)

Both of these fields are not editable, so the user cannot change them. They are presumably inferred automatically from another dataset.

1. Given that they cannot be edited, does it make sense to include the "source type" and "source link" fields? Surely the source is fixed (to whatever data source they were loaded from).

2. How is a user supposed to verify this information?

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We could provide links to the relevant data sources, in the same way as we have done with OSM IDs (issue #1148). But this requires there to be an accessible URL that we can use to access that data on that specific building.

If we can do that, then we could add a verify button to each field, along with the source link, but it would be bespoke and not the generic source type/link that is used elsewhere on the site. (And it wouldn't be editable as the field aren't editable).

[mdsimpson42]

I have added source links to each of these fields. The idea was to create a static, clickable link, since these IDs are automatically derived and cannot be edited.

However, it was pointed out that this is not consistent with the rest of the site. But the links on the rest of the site currently don't allow you to easily click them, so we may need to change how links work. For example, we could try to add a link (🔗) button to the right-hand edge of each URL field, which would allow the user to click the link easily (if a link is present).