fix(dock): fix hover bottom border invisible for non-active app items

[Ivy233]

When AppItemBackground overrides outsideBorderColor from the base class, the hovered state was incorrectly set to :normal, causing non-active app items to use the normal color (transparent) on hover - making the bottom border completely invisible. Unify outsideBorderColor with the same palette definition as activeOutsideBorderColor to ensure hover state has dedicated visible color values.

AppItemBackground子类覆盖基类outsideBorderColor时，hovered状态 错误地设为:normal，导致非活跃应用的hover底边使用normal色
(transparent)而完全不可见。将outsideBorderColor统一为与
activeOutsideBorderColor相同的完整palette定义，使hover态有独立的 可见颜色值。

Log: 修复任务栏非活跃应用hover底边描边不可见的问题
PMS: BUG-364205
Influence: 仅影响任务栏应用图标hover底边效果，非活跃应用hover时底边描边恢复正常显示，不影响托盘等其他组件。

Summary by Sourcery

Bug Fixes:

• Restore visible bottom border on hover for non-active dock app items by providing specific hovered and pressed outside border colors.

[sourcery-ai]

Reviewer's Guide

Adjusts the dock AppItemBackground outside border palette so non-active app items show a visible bottom border on hover, with distinct colors for normal, hovered, and pressed states and dark variants.

State diagram for dock AppItemBackground hover border palette

stateDiagram-v2
    state AppItemBackground {
        [*] --> normal

        normal --> hovered : mouseHover
        hovered --> pressed : mousePress
        pressed --> normal : mouseRelease

        state normal {
            [*] --> normalEfficient
            normalEfficient : displayMode = Dock.Efficient
            normalTransparent : displayMode != Dock.Efficient
        }

        state hovered {
            hoveredVisible : outsideBorderColor.crystal = rgba(0,0,0,0.10)
        }

        state pressed {
            pressedVisible : outsideBorderColor.crystal = rgba(0,0,0,0.10)
        }
    }

Loading

File-Level Changes

Change	Details	Files
Redefines outsideBorderColor palette for dock app items to provide explicit normal, hovered, and pressed colors, fixing invisible hover border for non-active apps.	Replace a simple normal/normalDark mapping with a full Palette definition including normal, normalDark, hovered, hoveredDark, pressed, and pressedDark states. Set normal and normalDark crystal colors to conditional values based on Dock.Efficient displayMode, using semi-transparent black only in efficient mode and transparent otherwise. Give hovered and hoveredDark states dedicated semi-transparent black crystal colors so non-active app items have a visible bottom border on hover. Define pressed and pressedDark crystal colors with semi-transparent black values tuned separately for light and dark modes.	panels/dock/taskmanager/package/AppItemBackground.qml

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[sourcery-ai]

Hey - I've left some high level feedback:

• The outsideBorderColor and activeOutsideBorderColor palettes now have very similar hard-coded RGBA values; consider extracting shared constants or a helper to avoid divergence and make future palette tuning easier.
• The new RGBA values (0.1/0.05 alpha) for hover/pressed states in Efficient mode are currently magic numbers; adding a brief inline comment or referencing the design token they come from would make the intent of these specific opacities clearer for future adjustments.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- The outsideBorderColor and activeOutsideBorderColor palettes now have very similar hard-coded RGBA values; consider extracting shared constants or a helper to avoid divergence and make future palette tuning easier.
- The new RGBA values (0.1/0.05 alpha) for hover/pressed states in Efficient mode are currently magic numbers; adding a brief inline comment or referencing the design token they come from would make the intent of these specific opacities clearer for future adjustments.

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[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: 18202781743, Ivy233

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• debian/deepin/OWNERS

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[Ivy233]

/forcemerge

[deepin-bot]

This pr force merged! (status: blocked)