fix(APP-559): Update design specs on advanced governance gate

[thekidnamedkd]

Description

Design QA fixes.

Type of Change

• Patch: Enhancement (non-breaking change to an existing feature)

Developer Checklist:

• Manually smoke tested the functionality in a preview or locally
• Confirmed there are no new warnings or errors in the browser console
• (For User Stories only) Double-checked that all Acceptance Criteria are satisfied
• Confirmed there are no new warnings on automated tests
• Merged and published any dependent changes in downstream modules
• Selected the correct base branch
• Commented the code in hard-to-understand areas
• Followed the code style guidelines of this project
• Reviewed that the Files Changed in Github’s UI reflect my intended changes
• Confirmed the pipeline checks are not failing

Review Checklist:

• (For User Stories only) Tested in a preview or locally that all Acceptance Criteria are satisfied
• Confirmed that changes follow the code style guidelines of this project

[linear]

APP-559 Gate Governance Designer "Advanced" option

[github-actions]

🚀 Preview Deployment: View Here

[github-actions]

E2E Smoke Results

Base URL	https://app-next-svu09ydg8-aragon-app.vercel.app
Suite	smoke
Playwright result	✅ passed
Summary	44 passed
GitHub job	✅ completed
Run	#3956