Display the 'Screenshot saved' message after the screenshot saving (bug #4191)

apps/openmw/engine.cpp

@@ -607,6 +607,10 @@ public:
         {
             std::cerr << "Error: Can't write screenshot: " << result.message() << " code " << result.status() << std::endl;
         }
+        else
+        {
+            MWBase::Environment::get().getWindowManager()->messageBox ("Screenshot saved");
+        }
     }
 
 private:

apps/openmw/mwinput/inputmanagerimp.cpp

@@ -1021,8 +1021,6 @@ namespace MWInput
     {
         mScreenCaptureHandler->setFramesToCapture(1);
         mScreenCaptureHandler->captureNextFrame(*mViewer);
-
-        MWBase::Environment::get().getWindowManager()->messageBox ("Screenshot saved");
     }
 
     void InputManager::toggleInventory()