[Bug]: DialogBox 对话框打开跟关闭的时候建议添加淡出淡入

[YuPeng6688]

What problem does this feature solve

用户使用体验、体感会更好，不会让弹框的突然打开跟关闭显得很生硬

What does the proposed API look like

在样式中添加淡入淡出的样式即可

What is your project name

数字化管理系统

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Bot detected the issue body's language is not English, translate it automatically.

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Title: ✨ [Feature]: It is recommended to add fade-out and fade-in when the DialogBox dialog box is opened and closed.

[GaoNeng-wWw]

i will fix it