Implement "Example All Input Fields" cypress test

[simonhir]

Is your feature request related to a problem? Please describe.

As described in the internal test documentation the test cases should be implemented in cypress for automated testing.
In this task the "Example All Input Fields" test should be implemented.

Describe the solution you'd like

• The "Example All Input Fields" test case should be implemented in digiwf-cypress
• The test case should use page object model, meaningful selectors and inheritance
• It can be executed stable lokal and on the digiwf-test env
• Define and implement good concept for accessing, validating and setting input values

Acceptance Criteria

• Test case "Example All Input Fields" is implemented with cypress
• Test runs stable and matches internal requirements/best practices
• A good concept for inputs is defined and implemented

Additional context

#1396