Fix inconsistent spacing in error messages for create activity fields

[peoray]

Changes proposed ✍️

Fixes #1382

What

🤖 Generated by Copilot at 1661a46

Added scoped style to form-item.vue component to increase spacing between error messages and form inputs. This improves the user interface and resolves issue #12. ​

🤖 Generated by Copilot at 1661a46

form-item styled margin for error message autumn leaves more space

Why

How

🤖 Generated by Copilot at 1661a46

• Add scoped style to form-item.vue component to increase margin between error message and next form item (link)

Checklist ✅

• [x] Label appropriately with Feature, Improvement, or Bug.
• [ ] Add screehshots to the PR description for relevant FE changes
• [ ] New backend functionality has been unit-tested.
• [ ] API documentation has been updated (if necessary) (see docs on API documentation).
• [ ] Quality standards are met.

[joanagmaia]

Hey @peoray any updates here? If you need any help from me let me know 😄