fix(editor): add hover and press states to color mark icons

[tianming-1996]

Log: 增加颜色标记图标悬停与按压状态
Bug: https://pms.uniontech.com/bug-view-196825.html
Influence: 右键菜单颜色标记增加悬停和按压反馈，兼容 Qt5/Qt6。

Summary by Sourcery

Add interactive hover and press states to color mark icons and finalize selection on release.

New Features:

• Add hover and pressed visual feedback to color mark icons in the color selection widget.

Bug Fixes:

• Ensure color selection is committed on left-button release while preserving responsive press feedback.

Enhancements:

• Support the updated pointer-event behavior across Qt5 and Qt6.

Tests:

• Extend color label tests to cover hover, pressed, release, and cross-version event handling.

Chores:

• Update widget copyright years.

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[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: tianming-1996

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Details

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• debian/deepin/OWNERS

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[sourcery-ai]

Reviewer's Guide

Adds hover and press visual feedback states to color mark icons in ColorLabel, refactors mouse event handling to separate press/release logic, and extends tests to cover new states and behavior while maintaining Qt5/Qt6 compatibility.

Sequence diagram for ColorLabel hover/press/release interaction

sequenceDiagram
    actor User
    participant ColorLabel
    participant DWidget
    participant ColorSelectWdg

    User->>ColorLabel: enterEvent
    ColorLabel->>DWidget: enterEvent
    ColorLabel->>ColorLabel: m_bHover = true
    ColorLabel->>ColorLabel: update
    ColorLabel->>ColorLabel: paintEvent (hover state)

    User->>ColorLabel: mousePressEvent (LeftButton)
    ColorLabel->>ColorLabel: m_bPressed = true
    ColorLabel->>ColorLabel: update
    ColorLabel->>DWidget: mousePressEvent
    ColorLabel->>ColorLabel: paintEvent (pressed state)

    User->>ColorLabel: mouseReleaseEvent (LeftButton)
    ColorLabel->>ColorLabel: m_bPressed = false
    ColorLabel->>ColorLabel: m_bSelected = true
    ColorLabel->>ColorLabel: update
    ColorLabel-->>ColorSelectWdg: sigColorClicked(m_bSelected, m_color)
    ColorLabel->>DWidget: mouseReleaseEvent

    User->>ColorLabel: leaveEvent
    ColorLabel->>DWidget: leaveEvent
    ColorLabel->>ColorLabel: m_bHover = false
    ColorLabel->>ColorLabel: m_bPressed = false
    ColorLabel->>ColorLabel: update
    ColorLabel->>ColorLabel: paintEvent (normal/selected state)

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File-Level Changes

Change	Details	Files
Implement hover, press, and selected visual states for ColorLabel while preserving original appearance as the normal state.	Refactored paintEvent logic to branch on pressed, hover, and normal states with different ellipse sizes and colors. Implemented pressed state as a slightly shrunken inner circle with darkened color plus optional selection ring. Implemented hover state as a slightly enlarged circle and optional selection ring. Kept original rendering path as the normal non-hover, non-press case, using inner and outer paths for selection ring.	src/widgets/ColorSelectWdg.cpp
Add hover and press state tracking and event handling to ColorLabel, including Qt5/Qt6 enter event compatibility.	Declared enterEvent overload compatible with Qt5 and Qt6 using conditional compilation and marked paint/mouse events as overrides. Added leaveEvent, mousePressEvent, and mouseReleaseEvent overrides to update m_bHover, m_bPressed, and m_bSelected, emit sigColorClicked on release, and call base class event handlers. Introduced m_bHover and m_bPressed boolean members with default false initialization alongside existing selection state.	src/widgets/ColorSelectWdg.h src/widgets/ColorSelectWdg.cpp
Extend unit tests to cover new hover, press/release behavior and adapt to the updated event model.	Updated paintEvent unit test to exercise hover and pressed rendering branches before deletion. Refactored mousePressEvent tests to use stack-allocated QMouseEvent objects, verify m_bPressed toggling, ensure sigColorClicked is emitted only on left-button release, and that right-clicks do not change pressed state. Added a new hover-state test to validate enterEvent and leaveEvent behavior and that both hover and pressed flags reset on leave. Updated ColorSelectWdg lambda test to simulate press then release on a color label, asserting that the first label loses selection and sigColorSelected is emitted only after release.	tests/src/widgets/ut_colorselectwidget.cpp
Update SPDX copyright years for ColorSelectWdg implementation and header files.	Changed SPDX-FileCopyrightText range from 2019 - 2022 to 2019-2026 in implementation and header. Normalized spacing in the SPDX header comment lines.	src/widgets/ColorSelectWdg.cpp src/widgets/ColorSelectWdg.h

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