Fix collection filter tag spacing
Fix collection filter tag spacing

Since we've started minifying the HTML the spacing between filter
tags in the collection has gone.

This sets the same spacing that is applied to the top/bottom.

uktrade/data-hub-fe-beta2,uktrade/data-hub-frontend,uktrade/data-hub-frontend,uktrade/data-hub-fe-beta2,uktrade/data-hub-frontend