fix: DNS “Click to save” prompt not displaying

[JWWTSL]

log: Removed redundant Item wrappers from DccSettingsView.qml, set clip: true directly on the Flickable, and made centralItem a direct child of the Flickable to eliminate unnecessary coordinate offsets.

pms: bug-353873

Summary by Sourcery

Bug Fixes:

• Ensure the DNS "Click to save" prompt is correctly displayed by fixing clipping and coordinate offset problems in the DccSettingsView flickable layout.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Refactors the DccSettingsView Flickable layout by removing an intermediate Item wrapper, clipping directly on the Flickable, and making the central loader a direct child to fix coordinate/visibility issues such as the missing DNS “Click to save” prompt.

Class diagram for updated DccSettingsView QML layout

classDiagram
    class Flickable_DccSettingsView {
        bool scrollBarVisible
        real contentHeight
        bool clip
    }

    class ScrollBar_vertical {
        int width
        bool visible
    }

    class DccLoader_centralItem {
        bool focus
        Flickable_DccSettingsView dccObjItem
    }

    class DccLoader_bottomItem {
    }

    Flickable_DccSettingsView *-- ScrollBar_vertical : verticalScrollBar
    Flickable_DccSettingsView *-- DccLoader_centralItem : centralItem
    Flickable_DccSettingsView *-- DccLoader_bottomItem : bottomItem

    %% Change summary
    class RemovedWrapperItem {
        bool clip
        real y
        real height
        real width
    }

    RemovedWrapperItem <|-- DccLoader_centralItem : was_child_of
    Flickable_DccSettingsView <|-- DccLoader_centralItem : now_child_of

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Flow diagram for DccSettingsView Flickable clipping and layout

flowchart TD
    A[Flickable_DccSettingsView clip true] --> B[centralItem is direct child of Flickable]
    B --> C[contentHeight uses centralItem.height and bottomItem.height]
    C --> D[Flickable handles scrolling and contentY internally]
    D --> E[centralItem position stays in sync with scroll]
    E --> F[UI elements like DNS Click_to_save remain inside clipped area]
    F --> G[Prompt is visible to the user during scroll]

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File-Level Changes

Change	Details	Files
Simplified DccSettingsView Flickable structure and corrected central content anchoring to fix scrolling/visibility issues.	Set clip: true directly on the Flickable to constrain its visible area to the viewport. Removed the redundant Item wrapper that previously offset content using contentY and its inverse. Made the central DccLoader (centralItem) a direct child of the Flickable instead of the wrapper Item. Updated dccObjItem from the wrapper Item to the Flickable control so downstream components use the correct coordinate and sizing context. Preserved horizontal anchoring and margins for centralItem against the Flickable.	src/dde-control-center/plugin/DccSettingsView.qml

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[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: JWWTSL, mhduiy

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[deepin-bot]

TAG Bot

New tag: 6.1.78
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #3130

[deepin-bot]

TAG Bot

New tag: 6.1.79
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #3135

[deepin-bot]

TAG Bot

New tag: 6.1.80
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #3153

[deepin-bot]

TAG Bot

New tag: 6.1.81
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #3167

[deepin-bot]

TAG Bot

New tag: 6.1.82
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #3187

[deepin-bot]

TAG Bot

New tag: 6.1.83
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #3190