Spike to rule out errors from Onboarding

### What is this about?

There is a suspicion that if a user exist onboarding early that there is a possibility that vault issue would be logged out. This ticket is to investigate the possibility of an early exist during on boarding put the user in a state that creates these issues. The Sentry issues being tracked are:
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### Scenario

_No response_

### Design

_No response_

### Technical Details

_No response_

### Threat Modeling Framework

_No response_

### Acceptance Criteria

_No response_

### Stakeholder review needed before the work gets merged

- [ ] Engineering (needed in most cases)
- [ ] Design
- [ ] Product
- [ ] QA (automation tests are required to pass before merging PRs but not all changes are covered by automation tests - please review if QA is needed beyond automation tests)
- [ ] Security
- [ ] Legal
- [ ] Marketing
- [ ] Management (please specify)
- [ ] Other (please specify)

### References

_No response_

The issue identifies onboarding and suspected Sentry vault errors but provides no scenario, event links, files, tests, or acceptance criteria. Start by locating the onboarding flow and the referenced Sentry issues, then determine whether an early exit can leave the user in the suspected state. Done means a documented finding supported by reproduction or evidence.

Written by the indexing model from the issue text.