Delay Session::exec() for 250 ms to allow the StackView transition to complete

app/gui/StreamSegue.qml

@@ -57,6 +57,26 @@ Item {
         toast.visible = true
     }
 
+    // This timer delay allows the transition
+    // to this StreamSegue to complete before doing
+    // long operations in Session::exec(). It would
+    // be nice if we could find a way to avoid having
+    // to do this though.
+    Timer {
+        id: delayedStartTimer
+        interval: 250
+        onTriggered: {
+            // Run the streaming session to completion
+            session.exec(Screen.virtualX, Screen.virtualY)
+
+            // Show the Qt window again after streaming
+            window.visible = true
+
+            // Exit this view
+            stackView.pop()
+        }
+    }
+
     onVisibleChanged: {
         if (visible) {
             // Hide the toolbar before we start loading
@@ -69,14 +89,8 @@ Item {
             session.displayLaunchError.connect(displayLaunchError)
             session.displayLaunchWarning.connect(displayLaunchWarning)
 
-            // Run the streaming session to completion
+            // Kick off the delayed start
-            session.exec(Screen.virtualX, Screen.virtualY)
+            delayedStartTimer.running = true
-
-            // Show the Qt window again after streaming
-            window.visible = true
-
-            // Exit this view
-            stackView.pop()
         }
         else {
             // Show the toolbar again when we become hidden