* remove ParsedRules argument to constructor (was undocumented, so no
harm for Publicodes users)
* replace by Engine.shallowCopy()
* simplify EngineContext in mon-entreprise.
* persistSimulation: make it url path specific and make it available to
all Simulations
** 1 e2e test with salarié & auto-entrepreur
** typescript test
* persistEverything becomes InFranceApp-specific
* mon-entreprise Provider initialStore is now partial