feat(routes-b): invoice templates, quote conversion, discount deletion - #1369

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-node@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

'updatedInvoice' is assigned a value but never used

React Hook useEffect has a missing dependency: 'getAccessToken'. Either include it or remove the dependency array

Unexpected any. Specify a different type

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Unexpected any. Specify a different type

Unexpected any. Specify a different type