feat(ImageCropper): support set crop shape

[izanhzh]

Is there an existing issue for this?

• [X] I have searched the existing issues

Is your feature request related to a problem? Please describe the problem.

增加支持设置裁剪形状，例如裁剪成圆形作为圆形头像

Describe the solution you'd like

增加多一个 CropShape 参数，支持矩形和圆形，默认为矩形

Additional context

No response

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