None values in breakdowns are showing up as weird text

[w4ngel]

Bug Description

Bug description

None values no longer show up as ( None ) now they have this weird formatting to the text. https://eu.posthog.com/project/12677/insights/ghFXEdEg

How to reproduce

1. Have a report
2. Breakdown by an event property where there is a none value
3. See error

Additional context

Debug info

- [X] PostHog Cloud, Debug information: [Session: https://us.posthog.com/project/sTMFPsFhdP1Ssg/replay/018f5355-4ce5-7ee0-88db-32fbdd20c977?t=242 
Admin: http://go/adminOrgEU/018ab7c3-7a4b-0000-491c-f1ebbc197f1d (Project: 12677)
Sentry: http://go/sentryEU/12677]
- [ ] PostHog Hobby self-hosted with `docker compose`, version/commit: [please provide]
- [ ] PostHog self-hosted with Kubernetes (deprecated, see [`Sunsetting Kubernetes support`](https://posthog.com/blog/sunsetting-helm-support-posthog)), version/commit: [please provide]