Sam2_video auto

[zyd-ustc]

What does this PR do?

Adds # (feature)

1. Auto mappings for sam2videomodel
2. Auto mappings for sam2videovideoprocessor

Before submitting

• This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
• Did you read the contributor guideline?
• Did you make sure to update the documentation with your changes? E.g. record bug fixes or new features in What's New. Here are the
  documentation guidelines
• Did you build and run the code without any errors?
• Did you report the running environment (NPU type/MS version) and performance in the doc? (better record it for data loading, model inference, or training tasks)
• Did you write any new necessary tests?

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@xxx

[gemini-code-assist]

Summary of Changes

Hello @zyd-ustc, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces comprehensive support for the 'Sam2Video' model and its related components within the 'mindone/transformers' auto-mapping system. By integrating 'Sam2VideoConfig', 'Sam2VideoModel', and 'Sam2VideoVideoProcessor' into the automatic configuration, model, and video processor mappings, this change significantly streamlines the process of loading and utilizing these components. This enhancement improves the library's extensibility and simplifies the workflow for users working with video-related tasks.

Highlights

• Configuration Mapping: Added automatic configuration mapping for 'Sam2VideoConfig' to enable its seamless loading.
• Model Mapping: Integrated 'Sam2VideoModel' into the automatic model mapping for easier instantiation.
• Video Processor Mapping: Included 'Sam2VideoVideoProcessor' in the automatic video processor mapping.
• Mask Generation Model Mapping: Added 'Sam2Model' to the mapping for mask generation tasks, extending its utility.

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Code Review

This pull request adds auto-mappings for the sam2_video model, its configuration, and its video processor. The changes are straightforward additions to the mapping dictionaries. I've identified two potential typos in the class names being mapped, which could lead to runtime errors. My review includes suggestions to correct these for consistency and to prevent potential issues.