First Block Cache (#11180)
* update
* modify flux single blocks to make compatible with cache techniques (without too much model-specific intrusion code)
* remove debug logs
* update
* cache context for different batches of data
* fix hs residual bug for single return outputs; support ltx
* fix controlnet flux
* support flux, ltx i2v, ltx condition
* update
* update
* Update docs/source/en/api/cache.md
* Update src/diffusers/hooks/hooks.py
Co-authored-by: Dhruv Nair <dhruv.nair@gmail.com>
* address review comments pt. 1
* address review comments pt. 2
* cache context refacotr; address review pt. 3
* address review comments
* metadata registration with decorators instead of centralized
* support cogvideox
* support mochi
* fix
* remove unused function
* remove central registry based on review
* update
---------
Co-authored-by: Dhruv Nair <dhruv.nair@gmail.com>
