Fix Wayland crash on layout switch.

CCBUGS: 448178

src/layoutmanagement.cpp

@@ -214,7 +214,7 @@ bool LayoutManagement::loadLayout(const QString &layoutId, bool selectButton)
         state.remove(0, 5);
     }
     pCore->window()->centralWidget()->setHidden(!timelineVisible);
-    pCore->window()->restoreState(state);
+    pCore->window()->processRestoreState(state);
     pCore->window()->tabifyBins();
     if (selectButton) {
         // Activate layout button

src/mainwindow.cpp

@@ -4648,6 +4648,14 @@ int MainWindow::binCount() const
     return m_binWidgets.count();
 }
 
+void MainWindow::processRestoreState(const QByteArray &state)
+{
+    // On Wayland, restoreState crashes when quickly hiding/showing/hiding a monitor in restoreState, so hide before restoring
+    m_projectMonitorDock->close();
+    m_clipMonitorDock->close();
+    restoreState(state);
+}
+
 #ifdef DEBUG_MAINW
 #undef DEBUG_MAINW
 #endif

src/mainwindow.h

@@ -93,6 +93,8 @@ public:
     QAction *addAction(const QString &name, const QString &text, const QObject *receiver, const char *member, const QIcon &icon = QIcon(),
                        const QKeySequence &shortcut = QKeySequence(), KActionCategory *category = nullptr);
 
+    void processRestoreState(const QByteArray &state);
+
     /**
      * @brief Adds a new dock widget to this window.
      * @param title title of the dock widget