Setting to allow empty argument values should be considered for list variables

Current Situation

The JOC Cockpit setting "Allow empty Arguments" handles the behavior for orders holding empty values for their arguments.

False:

• JOC Cockpit
  • It is not possible to submit an order that has empty arguments
  • It is possible to submit an order that has a list variable with empty item values.
• API
  • The API raises the error "Variable 'a' of list variable 'list' is missing but required"

True

• JOC Cockpit
  • It is not possible to submit an order that has empty arguments
  • It is possible to submit an order that has a list variable with empty item values.
• API
  • The API raises the error "Variable 'a' of list variable 'list' is missing but is required"

Desired Behavior

The setting "Allow empty Argument" should be considered by the JOC Cockpit GUI and by the API.

False:

• JOC Cockpit
  • It is not possible to submit an order that has empty arguments
  • It is not possible to submit an order that has a list variable with empty item values.
• API
  • The API raises the error "Variable 'a' of list variable 'list' is missing but is required"

True

• JOC Cockpit
  • It is possible to submit an order that has empty arguments
  • It is possible to submit an order that has a list variable with empty item values.
• API
  • The API raises the error "Variable 'a' of list variable 'list' is missing but required"