Remove args, kwargs from condition and label handler factories

[RLKRo]

Description

Remove *args, **kwargs from condition and label handler factories.
This makes it so that accidentally passing the factory instead of a handler in a script will cause an error.

Checklist

• I have covered the code with tests
• I have added comments to my code to help others understand it
• I have updated the documentation to reflect the changes
• I have performed a self-review of the changes