Upgrade to latest v19 version of react

### What is this about?

What is this about?
Extension codebase is presently on React v16.12.0 , which according to [npmjs](https://www.npmjs.com/package/react?activeTab=versions) is 7 years old. The epic this issue is associated with calls out more information on the upgrade but this particular issue is to go from 18 to v19.

It is dependent on issue: #31708

### Scenario

n/a

### Design

n/a

### Technical Details

[Additional details needed](https://react.dev/blog/2024/04/25/react-19-upgrade-guide)

### Threat Modeling Framework

n/a

### Acceptance Criteria

Extension is using v19 of react

### Stakeholder review needed before the work gets merged

- [x] 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 by reviewing dependent issue #31708 and the React 19 upgrade guide linked in the technical details, then locate the extension's React dependency and related version references. Done means the extension uses React v19 and its required automation tests pass.

Written by the indexing model from the issue text.