Upgrade to React Navigation v7

### What is this about?

This task tracks the work to upgrade from React Navigation v6 -> v7

Migration docs from v6->v7 - https://reactnavigation.org/docs/7.x/upgrading-from-6.x/

### Scenario

_No response_

### Design

_No response_

### Technical Details

- TBD

### 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_

Start with the React Navigation v6-to-v7 migration guide linked in the issue, then inspect the repository's current navigation dependencies and configuration. Identify the affected navigation setup and usages, and consider the upgrade complete when the app is migrated to v7 and its existing navigation behavior remains functional.

Written by the indexing model from the issue text.