Reset UI after deletion

After deletion of Pilot or Aircraft Entry, reset UI by clearing searchLineEdit

src/classes/acompletiondata.cpp

@@ -28,7 +28,6 @@ void ACompletionData::update()
 
         current_state = aDB->getUserDataState();
     }
-
 }
 
 void ACompletionData::updateTails()

src/gui/widgets/aircraftwidget.cpp

@@ -199,6 +199,7 @@ void AircraftWidget::on_deleteAircraftButton_clicked()
     }
     refreshView();
     ui->stackedWidget->setCurrentIndex(0);
+    ui->aircraftSearchLineEdit->setText(QString());
 }
 
 /*!

src/gui/widgets/pilotswidget.cpp

@@ -181,6 +181,7 @@ void PilotsWidget::on_deletePilotButton_clicked()
     }
     refreshView();
     ui->stackedWidget->setCurrentIndex(0);
+    ui->pilotSearchLineEdit->setText(QString());
 }
 
 /*!