fix: form styling

[HeleenSG]

Changes

Updates form styling according to new design choices.

Design:
https://www.figma.com/file/MDbpc9K0qjyaoRGAGiDX6t/KAT-%7C-Design-System-%7C-Components?type=design&node-id=529%3A3819&t=GypnIVz3VX7OFn1I-1

Example:
https://www.figma.com/file/sJpcWSngJDWdNPoal21ERe/KAT-%7C-Design-%7C-Workfile?type=design&node-id=1801%3A25829&t=2kfv36PnNt2vaS40-1

Issue link

Closes #1216

Demo

Before:

After:

QA notes

• Please check if form is implemented according to new designs (see Figma link at the top of this pr)
• Please check for any unwanted/weird behaviour or regressions

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Code Checklist

• All the commits in this PR are properly PGP-signed and verified.
• This PR only contains functionality relevant to the issue.
• I have written unit tests for the changes or fixes I made.
• I have checked the documentation and made changes where necessary.
• I have performed a self-review of my code and refactored it to the best of my abilities.

• Tickets have been created for newly discovered issues.
• For any non-trivial functionality, I have added integration and/or end-to-end tests.
• I have informed others of any required .env changes files if required and changed the .env-dist accordingly.
• I have included comments in the code to elaborate on what is not self-evident from the code itself, including references to issues and discussions online, or implicit behavior of an interface.

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Checklist for code reviewers:

Copy-paste the checklist from the docs/source/templates folder into your comment.

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Checklist for QA:

Copy-paste the checklist from the docs/source/templates folder into your comment.

[stephanie0x00]

Checklist for QA:

• I have checked out this branch, and successfully ran a fresh make reset.
• I confirmed that there are no unintended functional regressions in this branch:
  • I have managed to pass the onboarding flow
  • Objects and Findings are created properly
  • Tasks are created and completed properly
• I confirmed that the PR's advertised feature or hotfix works as intended.
• I checked the logs for errors and/or warnings and made issues where necessary

What works:

Did not find any unexpected behaviour. Tried to check all the forms I could find and they all look good. The filters are now small long columns, but that is solved with the implementation of the multiselect.

What doesn't work:

n/a

Bug or feature?:

n/a