Layers configured with < a /> tags without proper url-values in infoBox causes errors.

[Hallbergs]

If the admin has set up a layer in the following manner (as an example)...

... and the url-parameter is nullish, we will get an error in the client when we info-click. See image below:

We are error:ing since we are creating a element and passing nullish children to it.

Proposed fix:
Conditional rendering of the link component, see below:

From this:

To this:

Thoughts?