[Feature][SolidUI-Web] Right sliding window shrinks

[dlimeng]

Search before asking

• I had searched in the issues and found no similar feature requirement.

Problem Description

Right sliding window shrinks

Description

No response

Use case

No response

Solutions

No response

Anything else

No response

Are you willing to submit a PR?

• Yes I am willing to submit a PR!

[github-actions]

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[liangxm-swan]

I will try my best to do it，please assign to me

[dlimeng]

The red box is also contracted, all contracted and marked in red leaving white are also contracted.
画红框也收缩，全部收缩标红留白也收缩