feat(FileIcon): FileIcon may support Size

[cairabbit]

Is there an existing issue for this?

• I have searched the existing issues

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

Icon related components usually support Size, it would be nice that FileIcon also support it.

Describe the solution you'd like

add a new attribute for size:

<FileIcon Extension="@context.Extension()" Size="Size.Large"></FileIcon>

Additional context

No response

[bb-auto]

@cairabbit Thank you for contacting us. We will give feedback later.

[ArgoZhang]

@cairabbit sure. working on it