MainWindow: Fix save callback.

src/View/MainWindow.py

@@ -277,7 +277,7 @@ class ApplicationWindow(QMainWindow, ListedSubWindow, WindowToolKit):
             "action_menu_edit": self.open_edit_study,
             "action_menu_open": self.open_model,
             "action_menu_save": lambda: self.save_study(),
-            "action_menu_save_as": self.save_as_study,
+            "action_menu_save_as": lambda: self.save_as_study(),
             "action_menu_numerical_parameter": self.open_solver_parameters,
             "action_menu_edit_scenarios": self.open_scenarios,
             "action_menu_edit_network": self.open_network,
@@ -313,7 +313,7 @@ class ApplicationWindow(QMainWindow, ListedSubWindow, WindowToolKit):
             "action_menu_about": self.open_about,
             # ToolBar action
             "action_toolBar_open": self.open_model,
-            "action_toolBar_save": self.save_study,
+            "action_toolBar_save": lambda: self.save_study(),
             "action_toolBar_close": self.close_model,
             "action_toolBar_run_solver": self.run_lasest_solver,
             # Current actions
@@ -1566,6 +1566,7 @@ class ApplicationWindow(QMainWindow, ListedSubWindow, WindowToolKit):
         )
         dlg.exec_()
         results = self._tmp_results
+        self.last_results = results
 
         # No results available
         if results is None: