Add endpoint to skip validation in Cypress tests

[Splines]

In this PR we

• add an endpoint to skip the validation in the FactoryBot create() method. The function can be called from Cypress tests via FactoryBot.createNoValidate(...)
• expose Docker to another port (externally) to be able to start Cypress while the dev environment is running. The internal Docker port stays 3000.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

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Additional details and impacted files

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  Files          ?      153           
  Lines          ?     6614           
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  Hits           ?     3512           
  Misses         ?     3102           
  Partials       ?        0           

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