[IOS-120]: Set default selected index from the data source to the weather forecast

1Weather/UI/View controllers/Forecast/ForecastViewController.swift

@@ -173,7 +173,7 @@ private extension ForecastViewController {
     func prepareTimePeriodControl() {
         let container = UIView()
         container.addSubview(self.timePeriodControl)
-        timePeriodControl.selectedSegmentIndex = 0
+        timePeriodControl.selectedSegmentIndex = forecastCellFactory.timePeriod.rawValue
         timePeriodControl.addTarget(self, action: #selector(handleSegmentDidChange), for: .valueChanged)
         
         self.timePeriodControl.snp.makeConstraints { (make) in