Grid view has equal distance between objects in mobile view

### Description of the bug

When using grid and viewing the site on a mobile the distance between elements within a row and the distance between "rows" are equal. This means that when using a mobile or a narrow window on a PC the visual structure disappears and all objects seems to have an qual relationship and relevance to each other

### Steps To Reproduce

1. Log in with random user that has the role "daglig leder"
2. Enter the form: [https://brg.apps.tt02.altinn.no/brg/aarsregnskap-friv-202402/](https://brg.apps.tt02.altinn.no/brg/aarsregnskap-friv-202402/)
3. Navigate to a page with a grid of input fields
4. Change to mobile view or decrease width until components are presented vertically
5. Observe

### Additional Information

_No response_

No source file or test is named. First reproduce the issue using the linked form at a narrow width, then locate the grid component and its responsive layout styles. Done means grid items retain a clear distinction between spacing within a row and spacing between rows on mobile and narrow desktop views.

Written by the indexing model from the issue text.