Which Data Node is the first argument of the Task Node

[AlexandreSajus]

Description
If two Data Nodes are inputs of a Task Node, Taipy Studio needs to clarify which one is the first argument and which is the second. The same goes for outputs:

[jrobinAV]

A related topic can be implemented on taipy core.
The task function could accept params in any order using named parameters instead of positional parameters.