chore: fix query_kind sent for insight created event

[anirudhpillai]

Problem

query_kind isn't being populated correctly for `insight created' event.

Changes

Fixing it so we can add it with the correct breakdown over here
https://us.posthog.com/project/2/dashboard/292896

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

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

N/A

How did you test this code?

Tested locally

[github-actions]

Size Change: -60 B (-0.01%)

Total Size: 1.11 MB

ℹ️ View Unchanged

Filename	Size	Change
frontend/dist/toolbar.js	1.11 MB	-60 B (-0.01%)

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