Add Cosmos3 action generation support (#13823)
* Add Cosmos3 action generation support
* Add README action examples
* Use do_classifier_free_guidance property
* Remove unused method
* Add action policy example to pipelines doc
* Adding model selection for action example doc.
* Remove redundant casts
* Rename _pack_action_tokens to _prepare_action_segment
* Move validation checks to check_inputs
* Add action arguments in the __call__ docstring
* Move action mode check to check_inputs
* Rename action to action_tokens
* Add warning for num_frames ovewrite attempt
* Rename action_tokens to raw_actions
* Remove scheduler config override
* Refactor action to use CosmosActionCondition
* Fix examples script to support flow_shift arg
* Apply styling fixes
* Remove CosmosActionCondition properties, move to pipeline
* Replace validate wiht post init
* Set height/width/num_frames to None, raise error if set ofr action
* Fix action_dim default setting
* Remove video argument before v2v is added
* Fix None args
* Add _EMBODIMENT_TO_RAW_ACTION_DIM mapping
* Remove --raw-action-dim from README.md
* Added prompt upsampler docs and examples
* Apply style fixes
* Bugfix for action mrope compression factor
* Add action prompt json formatting, update docs
* Add hand_pose raw_action_dim value
* Add missing args to docstrings
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Co-authored-by: Atharva Joshi <atjoshi@nvidia.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: YiYi Xu <yixu310@gmail.com>