PIR: Add unit tests for JS event handlers

[landomen]

Task/Issue URL: https://app.asana.com/1/137249556945/project/1203581873609357/task/1212381653445208?focus=true

Description

Adds missing unit tests for the JS event handlers.

Steps to test this PR

Ensure the unit tests pass

UI changes

No UI changes

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Note

Adds extensive unit tests covering PIR JS event handlers (state transitions, side effects, pixels, retries) and fixes a handler class name; also simplifies retry decision logic.

• Tests (new, extensive):
  • BrokerActionFailedEventHandlerTest: verifies retry limits, expectation-only retries for scans, failure pixel emission.
  • BrokerStepCompletedEventHandlerTest: validates success/failure outcomes, email confirmation flow, stage timing, and state resets.
  • CaptchaInfoReceivedEventHandlerTest: asserts transaction ID handling, next-action progression, and pixel emission for opt-out.
  • EmailReceivedEventHandlerTest: ensures email propagation to ExtractedProfile, generated email state, pixel emission, and next action.
  • ErrorReceivedHandlerTest: maps various errors to BrokerActionFailed with no retry; state remains unchanged.
  • ExecuteBrokerStepActionEventHandlerTest: covers side effects (PushJsAction, LoadUrl, captcha/email flows), delays, pixels, and data sourcing.
  • ExecuteNextBrokerStepEventHandlerTest: starts next broker step, emits start pixels, resets indices, completes execution when done.
  • LoadUrlCompleteEventHandlerTest / LoadUrlFailedEventHandlerTest: handle initial/recovery URLs, advance/abort flows, and retries.
  • RetryAwaitCaptchaSolutionEventHandlerTest / RetryGetCaptchaSolutionEventHandlerTest: increment attempts and re-dispatch side effects.
  • StartedEventHandlerTest: initializes attempt ID and kicks off initial URL load.
• Minor fixes:
  • Rename CaptchaInforReceivedEventHandler to CaptchaInfoReceivedEventHandler.
  • Simplify shouldRetryFailedAction with an expression return while preserving behavior.

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[karlenDimla]

🙌