Add Mistral3 (#36790)
* initial start
* style and dummies
* Create convert_mistral3_weights_to_hf.py
* update
* typo
* typo
* Update convert_mistral3_weights_to_hf.py
* Update convert_mistral3_weights_to_hf.py
* Update convert_mistral3_weights_to_hf.py
* Update convert_mistral3_weights_to_hf.py
* up
* Update convert_mistral3_weights_to_hf.py
* Update convert_mistral3_weights_to_hf.py
* update
* update
* Update image_processing_mistral3.py
* Update convert_mistral3_weights_to_hf.py
* fix patch merger
* Update convert_mistral3_weights_to_hf.py
* Update convert_mistral3_weights_to_hf.py
* up
* update modular to fit
* style
* Update convert_mistral3_weights_to_hf.py
* typo
* Update modular_mistral3.py
* simplify a lot all shape shenanigans
* simplify
* add working test processor
* Add partially working common modeling tests
* All tests working and remove mistral3 image processors
* add docs and fixup
* fix inference with image size >1540
* 🚨fix test image proc pixtral
* Remove vision_feature_select_strategy
* Update convert_mistral3_weights_to_hf.py
* Update convert_mistral3_weights_to_hf.py
* Update convert_mistral3_weights_to_hf.py
* Update convert_mistral3_weights_to_hf.py
* clean
* fix test checkpoints
* Update test_modeling_mistral3.py
* Update test_modeling_mistral3.py
* style
* Use Pixtral processor
* up
* finish cleaning processor to use pixtral directly
* Update __init__.py
* Update processing_pixtral.py
* doc
* Update __init__.py
* Update mistral3.md
* Update _toctree.yml
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Co-authored-by: yonigozlan <yoni.gozlan@huggingface.co>
Co-authored-by: yonigozlan <yoni.gozlan10@gmail.com>
