feat: Tidying actions UI

[benjackwhite]

Problem

Changes

👉 Stay up-to-date with PostHog coding conventions for a smoother review.

Does this work well for both Cloud and self-hosted?

How did you test this code?

[github-actions[bot]]

Size Change: +146 B (0%)

Total Size: 1.05 MB

ℹ️ View Unchanged

Filename	Size	Change
frontend/dist/toolbar.js	1.05 MB	+146 B (0%)

_{compressed-size-action}

[posthog-bot]

This PR hasn't seen activity in a week! Should it be merged, closed, or further worked on? If you want to keep it open, post a comment or remove the stale label – otherwise this will be closed in another week.