Apply settings if saved setting popup was opened and cancelled

Make sure original saved settings are also applied if
settings popup was opened and subsequently closed
by pressing "X" instead of "Save"

src/OptionsPopup.qml

@@ -560,6 +560,10 @@ Window {
     function openPopup() {
         if (!initialized) {
             initialize()
+            if (imageWriter.hasSavedCustomizationSettings())
+            {
+                applySettings()
+            }
         }
 
         //open()