Can you update the label in the variables tab of the worflow node editor popup

Hi,

It's a minor minor minor change requested from a customer trainee feedback.

When you edit a workflow node, you have to select the workflow variables which are "editable" in the node. But sometimes you don't want to edit them and just show them (e.g. a comment in a review workflow). So it seems to replace "editable" per "available" could be better.

What do you think?

Thanks