Fix styling issues with Metrolist listing form

[James Duffy]

At the point where a user gets to the "unit details" section of our Metrolist listing form, the styling is missing. The spacing appears to be missing in the first and second rows where a user inputs data:

Testing out the user flow, that appears to be the only part of the form that is displaying style errors, but we should review the other sections for any potential spacing issues.

[David Upton]

This is now on ci https://d8-ci.boston.gov:

https://d8-ci.boston.gov/departments/neighborhood-development/metrolist/metrolist-listing-form

[ethan shrier]

Issues are fixed. Closing ticket