feat: add window blur control to DialogWindow

[wjyrich]

1. Add enableBehindWindowBlur property to DialogWindow with default true
2. Bind StyledBehindWindowBlur visibility to this new property
3. Disable behind window blur in SettingsDialog for better performance
4. Set SettingsDialog background to palette.base instead of transparent
5. Add rounded corner styling to SettingsDialog content background
6. Enable clipping on navigation and content ListViews to prevent overflow
7. Restructure content padding using individual padding properties

Log: Added blur control option for dialog windows and improved settings dialog appearance

Influence:

1. Test dialog windows with blur enabled/disabled to verify visual effects
2. Verify SettingsDialog displays correctly without blur effect
3. Check rounded corner appearance on settings content background
4. Test navigation list scrolling with clip enabled
5. Verify content list scrolling behavior with clip property
6. Test dialog window on different platforms for blur compatibility
7. Verify padding changes don't break layout on various screen sizes

feat: 为 DialogWindow 添加窗口模糊控制

1. 为 DialogWindow 添加 enableBehindWindowBlur 属性，默认值为 true
2. 将 StyledBehindWindowBlur 的可见性绑定到新属性
3. 在 SettingsDialog 中禁用窗口后模糊以提升性能
4. 将 SettingsDialog 背景设置为 palette.base 而非透明
5. 为 SettingsDialog 内容背景添加圆角样式
6. 启用导航和内容 ListView 的裁剪以防止溢出
7. 使用独立的内边距属性重构内容布局

Log: 新增对话框窗口模糊控制选项并改进设置对话框外观

Influence:

1. 测试启用/禁用模糊效果的对话框窗口，验证视觉效果
2. 验证 SettingsDialog 在无模糊效果下的显示是否正确
3. 检查设置内容背景的圆角外观
4. 测试启用裁剪后的导航列表滚动
5. 验证内容列表在裁剪属性下的滚动行为
6. 在不同平台上测试对话框窗口的模糊兼容性
7. 验证内边距更改不会在各种屏幕尺寸下破坏布局

PMS: BUG-378325

Summary by Sourcery

Add configurable dialog blur behavior and refine the SettingsDialog layout and appearance.

New Features:

• Add configurable behind-window blur support to dialog windows, enabled by default.

Bug Fixes:

• Prevent navigation and content list content from overflowing their bounds in SettingsDialog.

Enhancements:

• Improve SettingsDialog performance and visual presentation by disabling blur, applying themed backgrounds with rounded content styling, and refining layout padding.

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: wjyrich

The full list of commands accepted by this bot can be found here.

Details

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• debian/deepin/OWNERS

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[sourcery-ai]

Reviewer's Guide

Introduces configurable behind-window blur for DialogWindow and uses it to optimize SettingsDialog, while refining its background, rounded-corner presentation, list clipping, and content layout padding.

File-Level Changes

Change	Details	Files
Adds an opt-in control for the dialog’s behind-window blur effect.	Introduces enableBehindWindowBlur with a default of true. Binds the blur component’s visibility to the new property.	qt6/src/qml/DialogWindow.qml
Optimizes and restyles the settings dialog for a non-blurred presentation.	Disables behind-window blur and uses the base palette color for the window. Adds a layered palette-based background with rounded corners. Enables clipping on navigation and content lists. Replaces aggregate content padding with explicit side-specific padding and adjusts content height.	qt6/src/qml/settings/SettingsDialog.qml

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[sourcery-ai]

Hey - I've found 1 issue

Prompt for AI Agents

Please address the comments from this code review:

## Individual Comments

### Comment 1
<location path="qt6/src/qml/settings/SettingsDialog.qml" line_range="63" />
<code_context>
             top: control.top
         }
-        padding: DS.Style.settings.content.margin
+        height: Math.max(0, control.height - parent.y)
+        leftPadding: DS.Style.settings.content.margin
+        rightPadding: DS.Style.settings.content.margin
</code_context>
<issue_to_address>
**issue (bug_risk):** `contentBg.height` creates a binding loop: `DialogWindow.height` is bound to `content.height`, `content.height` is derived from its children's bounds, and `contentBg.height` is bound back to `control.height`. QML reports a binding loop and the settings content height becomes unstable or resolves incorrectly, causing the dialog layout to collapse or display at the wrong height.

**Triggers:** When SettingsDialog is instantiated and its window size is evaluated.

**Suggested fix:** Give the content view a height derived from an independent parent/content height, or establish an explicit dialog height without binding the child height back to `control.height`.
</issue_to_address>

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