fix: fix sidesheet mask=false mask width not correct

[DaiQiangReal]

中文模板 / Chinese Template

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🇨🇳 Chinese

• Fix: 修复 Sidesheet 在 mask=false 时，mask 背景内容无法点击的问题，影响范围 2.32.0-beta.0 ~ 2.33.0-beta.0

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🇺🇸 English

• Fix: Fix the problem that the background content of the mask cannot be clicked when the Sidesheet is set to mask=false, the impact range is 2.32.0-beta.0 ~ 2.33.0-beta.0

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