feat: cql field for features

[mortenzwarenstein]

Description

• Added a CQL field for the feature view.

Type of change

• New feature

Checklist:

• I've double-checked the code in this PR myself
• I've left the code better than before (boy scout rule)
• The code is readable, comments are added that explain hard or non-obvious parts.
• I've expanded/improved the (unit) tests, when applicable
• I've run (unit) tests that prove my solution works
• There's no sensitive information like credentials in my PR

[rkettelerij]

@mortenzwarenstein Ik zie nu 2x een vraagteken icoon. Zou er 1 verwachten:

[rkettelerij]

cypress had je zelf mss al gezien: 'multiple-labeled-controls' │ '<label> is associated with multiple controls' │ '#form > div:nth-child(4) > label'