feat: fix multistep questions

[k11kirky]

Add onStepChange callback to ActionSelector component

TL;DR

Added a new onStepChange callback to the ActionSelector component to notify parent components when steps change.

closes #795

What changed?

• Added onStepChange callback prop to the ActionSelector component
• Implemented a new setStep function in useActionSelectorState that calls the callback when steps change
• Updated all step navigation logic to use this new function
• Fixed QuestionPermission to sync its state with ActionSelector step changes
• Added a regression test story for multi-step questions

How to test?

1. Run the Storybook and navigate to the new "QuestionMultiStepSync" story
2. Verify that advancing through steps updates the question text and options correctly
3. Check that step navigation works in both directions
4. Confirm the "stepChanged" action is logged in the Actions panel when steps change

Why make this change?

This change fixes a synchronization issue between the ActionSelector component and its parent components. Previously, when steps changed internally in the ActionSelector, parent components weren't always notified, leading to UI inconsistencies. The new callback ensures parent components can stay in sync with the current step, properly updating question text and options.

[k11kirky]

• fix: cancel on oauth doesnt work #803
• fix: discard is broken #802
• fix: o(n) requests on project switch + perisstance #801
• feat: fix multistep questions #799 👈 (View in Graphite)
• main

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[k11kirky]

Merge activity

• Feb 5, 2:16 AM UTC: A user started a stack merge that includes this pull request via Graphite.
• Feb 5, 2:17 AM UTC: @k11kirky merged this pull request with Graphite.