fix: #I7T5XZ 修复自动保存失效的问题

src/main/java/org/jcnc/jnotepad/controller/manager/Controller.java

@@ -155,6 +155,7 @@ public class Controller implements ControllerInterface {
                 textArea.setText(text);
 
                 Tab tab = createNewTab(file.getName(), textArea);
+                tab.setUserData(file);
                 ViewManager.tabPane.getTabs().add(tab);
                 ViewManager.tabPane.getSelectionModel().select(tab);
                 updateStatusLabel(textArea);