chore(CI): build Qt 6 version by default for deepin CI

deepin OBS 构建默认构建 Qt 6 版本。

注意：对于现存版本的打包移植，目前仍然建议使用 Qt 5 版本。

Log:

debian/control

@@ -9,19 +9,18 @@ Build-Depends:
  libglib2.0-dev,
 # v-- to get systemduserunitdir from its pkg-config data
  systemd,
- qtbase5-dev,
- libqt5svg5-dev,
- qtdeclarative5-dev,
- qttools5-dev,
- qttools5-dev-tools,
- qtquickcontrols2-5-dev,
+ qt6-base-dev,
+ qt6-svg-dev,
+ qt6-declarative-dev,
+ qt6-tools-dev,
+ qt6-tools-dev-tools,
  libdtkcommon-dev,
- libdtkcore-dev,
+ libdtk6core-dev,
 # v-- provides qdbusxml2cpp-fix binary
- libdtkcore5-bin,
+ libdtk6core-bin,
 # v-- provides DHiDPIHelper
- libdtkgui-dev,
- libdtkdeclarative-dev,
+ libdtk6gui-dev,
+ libdtk6declarative-dev,
  libappstreamqt-dev
 Standards-Version: 4.6.0
 Rules-Requires-Root: no
@@ -31,13 +30,12 @@ Architecture: any
 Depends:
  ${shlibs:Depends},
  ${misc:Depends},
- qml-module-qtquick-layouts,
- qml-module-qtquick-window2,
- qml-module-qtquick-controls2,
- qml-module-qtquick-controls2-styles-chameleon,
+ qml6-module-qtquick-layouts,
+ qml6-module-qtquick-window,
+ qml6-module-qtquick-controls,
+ qml6-module-qtquick-controls2-styles-chameleon,
 # v-- actually should be depended by qqc2-styles-chameleon
- qml-module-qtgraphicaleffects,
- qml-module-org-kde-kitemmodels
+ qml6-module-qt5compat-graphicaleffects
 Conflicts: dde-launcher
 Replaces: dde-launcher
 Description: <insert up to 60 chars description>

debian/rules

@@ -16,4 +16,5 @@ export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 
 override_dh_auto_configure:
 		dh_auto_configure -- \
-			-DVERSION=$(DEB_VERSION_UPSTREAM)
+			-DVERSION=$(DEB_VERSION_UPSTREAM) \
+			-DPREFER_QT_5=OFF

src/models/appitem.h

@@ -35,6 +35,7 @@ class AppItem : public QStandardItem
     Q_ENUM(DDECategories)
 
 public:
+    explicit AppItem() { Q_ASSERT_X(false, "AppItem()", "qmlRegisterUncreatableType require this for unknown reason in Qt6, another ctor should be used"); }
     explicit AppItem(const QString &freedesktopId);
     ~AppItem();