Support for SDPA for SAM models (#34110)
* feat: add support for sdpa and gradient checkpointing
* fix: ruff format
* fix: config sdpa
* fix: sdpa layer naming convention
* fix: update test_eager_matches_sdpa_inference to handle vision_hidden_states
* test: skip incompatible tests and fix loading issue with sdpa
- Updated tests to skip cases flash and dynamic compile.
- Minor adjustment to ensure correct loading of model with sdpa for dispatch test.
* style: apply Ruff formatting
* ruff fix again after rebase
* [run-slow] sam
* [run-slow] sam
* refactor: Address review comments and improve sub-config handling in SAM model tests
- Added attributes for sub_configs as per PR #34410.
- Enabled tests for configs, ensuring the composite model (SAM) has several sub-configs in the main config.
- Added class attribute _is_composite=True to the tester class
- test_sdpa_can_dispatch_composite_models added
* [run-slow] sam
* style: ruff
* [run-slow] sam
* style: ruff again ...
* [run-slow] sam
