[WIP] Refactoring of `VectorizedSystem` family
The goal of this merge request is:
- Merge
FiniteVectorizedSystem
andInfiniteVectorizedSystem
intoVectorizedSystem
- Make it possible to construct a
VectorizedSystem
without aBuilder
- Get rid of
VectorizedSystem.graph
- Simplify the code structure, avoid unnecesary inheritance structures
Edited by Viacheslav Ostroukh