The "License" Icon in 2.8 is wrong

[JasminaPN]

CKAN Version if known (or site URL)

beta.ckan.org (CKAN 2.8)

Please describe the expected behaviour

The "License" icon should be like a padlock. Please check the following image:

Please describe the actual behaviour

The "License" icon is wrong. Please check the attached image:

What steps can be taken to reproduce the issue?

To add the correct icon for License (padlock icon)

Cc @gocemitevski