updates react example + fixes vue example

[arch1995]

Description

JIRA LINK - https://consensyssoftware.atlassian.net/browse/W3APD-5391

• Updates react example
• cleanup vue example and revert session time to 1hour.
• fix one issue wrt errors.

How has this been tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My code follows the code style of this project. (run lint)
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.
• My code requires a db migration.

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Note

Low Risk
Example-only build/entrypoint changes; main risk is the React demo failing to bundle/run if any previously relied-on Node polyfills are still needed.

Overview
Updates the React example to a Vite-style setup by removing the CRA config-overrides.js webpack polyfill/ProvidePlugin customization and adding a root index.html that mounts #root and loads /src/index.tsx as an ES module.

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