Fix: Rail waypoint selection window not closed

When rail toolbar or rail waypoint build windows closed

src/rail_gui.cpp

@@ -423,6 +423,7 @@ struct BuildRailToolbarWindow : Window {
 	{
 		if (this->IsWidgetLowered(WID_RAT_BUILD_STATION)) SetViewportCatchmentStation(nullptr, true);
 		if (_settings_client.gui.link_terraform_toolbar) CloseWindowById(WC_SCEN_LAND_GEN, 0, false);
+		CloseWindowById(WC_SELECT_STATION, 0);
 		this->Window::Close();
 	}
 
@@ -2022,6 +2023,12 @@ struct BuildRailWaypointWindow : PickerWindowBase {
 		this->BuildPickerList();
 	}
 
+	void Close() override
+	{
+		CloseWindowById(WC_SELECT_STATION, 0);
+		this->PickerWindowBase::Close();
+	}
+
 	bool FilterByText(const StationSpec *statspec)
 	{
 		if (this->string_filter.IsEmpty()) return true;