Fix focus and rejection of Yes/No dialogs on SL

app/gui/AppView.qml

@@ -199,10 +199,7 @@ GridView {
             NavigableMenuItem {
                 parentMenu: appContextMenu
                 text: model.running ? "Resume Game" : "Launch Game"
-                onTriggered: {
-                    appContextMenu.close()
-                    launchOrResumeSelectedApp()
-                }
+                onTriggered: launchOrResumeSelectedApp()
             }
             NavigableMenuItem {
                 parentMenu: appContextMenu

app/gui/NavigableMenuItem.qml

@@ -11,6 +11,13 @@ MenuItem {
     height: visible ? implicitHeight : 0
     focusPolicy: visible ? Qt.TabFocus : Qt.NoFocus
 
+    onTriggered: {
+        // We must close the context menu first or
+        // it can steal focus from any dialogs that
+        // onTriggered may spawn.
+        parentMenu.close()
+    }
+
     Keys.onReturnPressed: {
         triggered()
     }

app/gui/NavigableMessageDialog.qml

@@ -45,6 +45,10 @@ NavigableDialog {
             Keys.onReturnPressed: {
                 accept()
             }
+
+            Keys.onEscapePressed: {
+                reject()
+            }
         }
     }