Bug fix in PilotsWidget

Upon deleting a Pilot Entry from the datbase, the stacked widget would not get updated and leave the just deleted entrie's data dangling in the UI.

src/gui/widgets/pilotswidget.cpp

@@ -180,6 +180,7 @@ void PilotsWidget::on_deletePilotButton_clicked()
         }
     }
     refreshView();
+    ui->stackedWidget->setCurrentIndex(0);
 }
 
 /*!