Hotfix for 'open recent tab' feature: if non-functional tab selected then 'Games' (default) tab would be opened.

Author: developersu

src/main/java/nsusbloader/Controllers/NSLMainController.java

@@ -155,7 +155,7 @@ private void openLastOpenedTab(){
     private void saveLastOpenedTab(){
         String tabId = mainTabPane.getSelectionModel().getSelectedItem().getId();
         if (tabId == null || tabId.isEmpty())
-            return;
+            tabId = "";
         AppPreferences.getInstance().setLastOpenedTab(tabId);
     }
 }