feat: Add SAM3 Video Segmentation Support for X-AnyLabeling

[CVHub520]

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• I have searched the X-AnyLabeling issues and found no similar feature requests.

Description

Adding SAM3 video segmentation support to X-AnyLabeling.

Use case

SAM3-Video-Segmentation-Demo.mp4

Additional

No response

Are you willing to submit a PR?

• Yes I'd like to help by submitting a PR!

[jinfengbyd]

你好，我用sam3时，目标检测框和实例分割多边形会同时出现，请问应该如何解决？

[CVHub520]

你好，我用sam3时，目标检测框和实例分割多边形会同时出现，请问应该如何解决？

See this example for more details.