[Bug]: PyBaMM submodels aren't supported

[BradyPlanden]

Python Version

N/A

Describe the bug

PyBOP doesn't currently pass submodel options to the PyBaMM model constructor during initialisation.

Steps to reproduce the behaviour

model = pybop.models.lithium_ion.SPM(options = {"thermal": "lumped"}) doesn't initial the model with the correct submodel.

Relevant log output

No response