[feature] APV central visualization early in the main script

Summary

Reinstate the possibility to visualize the central as soon as it is created (to validate the geometry without having to run all the lengthy computations)

Current behavior

None

Desired behavior

Add a parameter (boolean flag) in the instantiation of the APV plant to render it before all the lengthy computations occur.

Sources

n/a

Linked features or branches

n/a