updated so that when updating already custom control it notifies the …

…user that the save has been successfull (#24)

Co-authored-by: Martin Barker <martin.barker@thisisbeacon.com>

SeventhHeavenUI/Windows/ControlMappingWindow.xaml.cs

@@ -89,6 +89,10 @@ private void btnSaveChanges_Click(object sender, RoutedEventArgs e)
             else
             {
                 ViewModel.SaveChangesToFile();
+                MessageDialogWindow.Show(
+                    "In-Game Controls have been successfully updated",
+                    "Controls Saved"
+                );
             }
         }