examples: Don't use show for presenting a window

Author: bilelmoussaoui

examples/list_box_model/list_box_row/imp.rs

@@ -103,7 +103,7 @@ impl ObjectImpl for ListBoxRow {
                 .build();
             content_area.append(&spin_button);
 
-            dialog.show()
+            dialog.present()
         }));
         hbox.append(&edit_button);
 

examples/list_box_model/main.rs

@@ -94,7 +94,7 @@ fn build_ui(application: &gtk::Application) {
             dialog.close();
         }));
 
-        dialog.show()
+        dialog.present()
     }));
 
     hbox.append(&add_button);