Context Navigation

Changes between Initial Version and Version 1 of Ticket #33848

initial	v1
1	1	`StateApps.clone` execute two slow deep copies. The first one copy all models. The second one copy app configs, that include all apps and the specific app models.
2	2
3		In my application, with ~250 models, this deepcopy is around 5% of migration time. I was able to cleanup `StateApps` before copy, to not copy all models and apps every operation again.
	3	In my application, with ~250 models, this deepcopy is around 5% of migration time. I was able to cleanup `StateApps` before copy, to not copy all models and apps every operation again. After the optimization, it takes less than 1% of migration time.
4	4
5	5	https://github.com/django/django/blob/d4c5d2b52c897ccc07f04482d3f42f976a79223c/django/db/migrations/state.py#L683