update all forms in harvester to use same uswds form class

## User Story

In order to provide a consistent UI, datagov wants to update all forms in the harvester app to use the uswds form class

## Acceptance Criteria

[ACs should be clearly demoable/verifiable whenever possible. Try specifying them using [BDD](https://en.wikipedia.org/wiki/Behavior-driven_development#Behavioral_specifications).]

- [ ] GIVEN we want/should use uswds as much as possible \
WHEN forms not using the uswds form class are updated \
THEN all of them will use the uswds form class \

## Background
uswds address [form](https://designsystem.digital.gov/templates/form-templates/address-form/)

## Security Considerations ([required](https://nvd.nist.gov/800-53/Rev4/control/CM-4))

[comment]: # "Our SSP says 'The Data.gov team ensures security implications are considered as part of the agile requirements refinement process by including a section in the issue template used as a basis for new work.' so please don't remove this section without care."
[Any security concerns that might be implicated in the change. "None" is OK, just be explicit here!]

## Sketch

[Notes or a checklist reflecting our understanding of the selected approach]