Simplify shortcuts code in hamburger menu

qml/main.qml

@@ -175,7 +175,7 @@ Kirigami.ApplicationWindow {
                 icon.name: "settings-configure"
                 onTriggered: pushReplaceLayer("qrc:/imports/NeoChat/Page/SettingsPage.qml")
                 enabled: pageStack.layers.currentItem.title !== i18n("Settings")
-                shortcut: Controller.preferencesShortcuts[0]
+                shortcut: StandardKey.Preferences
             },
             Kirigami.Action {
                 text: i18n("About Neochat")
@@ -191,6 +191,7 @@ Kirigami.ApplicationWindow {
             Kirigami.Action {
                 text: i18n("Quit")
                 icon.name: "gtk-quit"
+                shortcut: StandardKey.Quit
                 onTriggered: Qt.quit()
             }
         ]

src/controller.cpp

@@ -557,11 +557,6 @@ void Controller::setActiveConnection(Connection *connection)
     Q_EMIT activeConnectionChanged();
 }
 
-QList<QKeySequence> Controller::preferencesShortcuts() const
-{
-    return KStandardShortcut::preferences();
-}
-
 NeochatDeleteDeviceJob::NeochatDeleteDeviceJob(const QString &deviceId, const Omittable<QJsonObject> &auth)
     : Quotient::BaseJob(HttpVerb::Delete, QStringLiteral("DeleteDeviceJob"), QStringLiteral("/_matrix/client/r0/devices/%1").arg(deviceId))
 {

src/controller.h

@@ -33,9 +33,6 @@ class Controller : public QObject
     Q_PROPERTY(bool busy READ busy WRITE setBusy NOTIFY busyChanged)
     Q_PROPERTY(KAboutData aboutData READ aboutData WRITE setAboutData NOTIFY aboutDataChanged)
 
-    /// Get the list of shortcuts activating the preferences page
-    Q_PROPERTY(QList<QKeySequence> preferencesShortcuts READ preferencesShortcuts CONSTANT)
-
 public:
     static Controller &instance();
 
@@ -54,8 +51,6 @@ public:
 
     [[nodiscard]] int accountCount() const;
 
-    [[nodiscard]] QList<QKeySequence> preferencesShortcuts() const;
-
     [[nodiscard]] static bool quitOnLastWindowClosed();
     void setQuitOnLastWindowClosed(bool value);