Further permission support on CSV Import Block and Script Block

It would be good to be able to use the CSV Import block while fields are set to not let anyone edit the values. We should have another option to “Allow this field to be modified by CSV Import”.

Additionally it would be helpful to do the exact same with the Script block. Where we have “Nobody” being able to edit the values of the field but where there is an option to “Allow this field to be modified by Scripting Block”.