Lingui working with NODE ENV=production again

[FelixMalfait]

Lingui now offers an option to disable stripping even in prod mode so we can bring it back

[greptile-apps]

PR Summary

This PR fixes Lingui internationalization functionality in production mode by configuring the SWC plugin to preserve essential fields and aligning build environments.

• Added stripNonEssentialFields: false in packages/twenty-server/jest.config.ts to preserve Lingui fields
• Updated @lingui/swc-plugin to version 5.1.0 in package.json to support the new configuration option
• Set NODE_ENV=production in server build step of CI E2E workflow to match frontend environment

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[FelixMalfait]

@charlesBochet NODE_ENV isn't set in twenty-infra on the server side, should we add it?
I think there's minimal benefit but it seems some library like Express slightly optimize with it https://noncodersuccess.medium.com/node-js-the-difference-between-development-and-production-5ec404716948