enriched `res_mod_state` for debugging purpose

[sunt05]

res_mod_state will be extended to include more info for debugging.

https://github.com/UMEP-dev/SUEWS/blob/147e59f4285c3df7c65fbdd4feb5f8fcb4f152e7/src/supy/supy/_run.py#L146-L147

[sunt05]

done via https://github.com/UMEP-dev/SUEWS/commit/245bd44e8b49420d4ffc54c6097ec5d0b15c5aae

[sunt05]

further improved in https://github.com/UMEP-dev/SUEWS/commit/b8c13cb57433f4dc3e2463a19067a7960b4e1001:

• fix a bug in passing values after repacking the dict_debug into df_debug - here deepcopy is needed to properly pass values
• improved logic by reducing unnecessary conditional branches in run_supy_ser