Issue-356: Downgrade React-DOM to Version 18

[efuller]

Summary

Fixes #356

This pull request resolves version inconsistencies by downgrading react-dom to version 18 to match React v18. It also removes unnecessary dependencies from the project.

Changes Made

• Updated react-dom dependency in package.json and package-lock.json from 19.1.1 to ^18.0.0 to ensure compatibility with React v18.
• Removed all references to the save-dev package from dependencies and lockfiles.
• Removed the ajv package, as it is no longer needed due to recent updates in the build tool.
• ran npm audit fix.

How to Test

1. Review the updated package.json and package-lock.json to confirm that both React and React-DOM are set to version 18.
2. Run the project and verify that there are no compatibility issues between React and React-DOM.
3. Ensure the application builds and runs as expected without the removed packages (ajv and save-dev).

Additional Notes

No additional notes.

[mogmarsh]

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