[core] [OperatorImpl] Too much virtual function ?

Hello,

This issue is linked to !19 (merged).

After binding OperatorImpl, I do think this class has too much methods:

https://gitlab.eclipse.org/eclipse/aidge/aidge_core/-/blob/26dd3e27e6ff0e232d12af41946b281d42471df9/python_binding/backend/pybind_OperatorImpl.cpp#L110-117

This is especially due to all the methods added to satisfy the consummer producer scheduling.

Can't we reduce the number of method to override to create an OperatorImpl ?