IOS-210: Fix the temperature forecast widget (Blinking)

1Weather.xcodeproj/xcshareddata/xcschemes/OneWeatherWidgetExtension.xcscheme

@@ -84,6 +84,11 @@
             isEnabled = "YES">
          </EnvironmentVariable>
          <EnvironmentVariable
+            key = "CG_NUMERICS_SHOW_BACKTRACE"
+            value = ""
+            isEnabled = "NO">
+         </EnvironmentVariable>
+         <EnvironmentVariable
             key = "_XCWidgetDefaultView"
             value = "timeline"
             isEnabled = "NO">

OneWeatherUI/OneWeatherUI/Widgets/SharedViews/HourlyTemperatureView.swift

@@ -33,7 +33,7 @@ struct HourlyTemperatureView: View {
                     }
                 )
                 
-                if hourlyWeather.count >= 2 {
+                if hourlyWeather.count >= 2 && hourlyStackFrame.width > 0 && hourlyStackFrame.height > 55 {
                     TemperatureGraphView(hourlyWeather: hourlyWeather,
                                          viewModel: .init(graphSize: .init(width: hourlyStackFrame.width,
                                                                            height: hourlyStackFrame.height - 55),

OneWeatherUI/OneWeatherUI/Widgets/SharedViews/TemperatureGraphView.swift

@@ -121,7 +121,10 @@ struct TemperatureGraphView: View {
         let diff = maxTemp - minTemp
         
         for index in 0..<hourlyWeather.count {
-            let multiply = CGFloat(maxTemp - hourlyWeather[index].temp) / CGFloat(diff)
+            var multiply: CGFloat = 0.5
+            if diff > 0 {
+                multiply = CGFloat(maxTemp - hourlyWeather[index].temp) / CGFloat(diff)
+            }
 
             let space:CGFloat = index > 0 && index <= 3 ? graphViewModel.spacingPerItem : 0
             if index == 0 {
@@ -136,6 +139,8 @@ struct TemperatureGraphView: View {
     }
 
     private mutating func prepareSectionsAndLinePath() {
+        print("[DEBUG] graphInset: \(graphViewModel.graphInset) graphSize: \(graphViewModel.graphSize)")
+        
         let startPoint = CGPoint(x: graphViewModel.graphInset.leading, y: points.first?.y ?? 0)
         let endPoint = CGPoint(x: graphViewModel.graphSize.width, y: points.last?.y ?? 0)