chore(hogql): add comparision task for hogql funnels insights

[thmsobrmlr]

Problem

We've converted funnel insights to HogQL and want to make sure we're not introducing regressions.

Changes

This PR contains a Django script for comparing the legacy version of the insight to the HogQL one. It also serves as a checklist for these tests and todo list for things to fix.

python manage.py shell_plus --command compare_hogql_funnel_insights
python manage.py compare_hogql_funnel_insights

Checklist

• adapt compare script for breakdowns
• len(results) should always be equal

	steps	time_to_convert	trends
ordered	- [ ] Done	- [ ] Done	- [ ] Done
strict	- [ ] Done	- [n] Done	- [n] Done
unordered	- [ ] Done	- [n] Done	- [ ] Done

Todos

• implement validation errors (follow-ups of first pr)
•  test_funnel_exclusions_invalid_params: implement validations (with Pydantic?)
•  frontend: correlation details background
• frontend: correlation dark mode
• make "view recording" work
• make wrapping sql from actors work with funnels test(hogql): replace actors class in funnel tests #20510
•  (a) It would be great to keep changed math types when switching between insights.
•  (b) Ideally we would have differently typed entities for trends, stickiness and other insights.
•  test_funnel_with_cohorts_step_filter: investigate this issue
•  clean up all TODOs and commented out lines of code
• commented out materialized columns for funnel correlations
• commented out actors test in test_correlation_with_multiple_properties
• clean up AND event.team_id = {self.context.team.pk}
• settings= in funnel_trends_persons, search all SETTINGS
• cache invalidation for actors
• InsightActorsQuery messy, should we have different keys for funnel types?! e.g. actorsFilter or funnelActorsFilter
  procedural and class based code e.g. to_actors_query takes parameters, but in funnels all subclasses methods access these method, so it can't be passed down
  include recordings in trends and stickiness?
• Convert missing actions into Validation errors
• add QUERY_TYPE = "funnel_unordered" to hogql implementation
• fix this https://posthog.slack.com/archives/C0368RPHLQH/p1708519310821229

How did you test this code?

[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.

[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.

[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.

[mariusandra]

I guess we moved to a different comparison system and this can be closed? HogQL funnels are live after all.