Fix: Fixed color conversion helpers (#12036)

Author: lukeblevins

src/Files.App/Helpers/ColorHelpers.cs

@@ -76,14 +76,26 @@ public static string RandomColor()
 			return color.ToHex();
 		}
 
+		private static string ToHex(this System.Drawing.Color color)
+		{
+			return $"#{color.A:X2}{color.R:X2}{color.G:X2}{color.B:X2}";
+		}
+
 		public static Windows.UI.Color ToWindowsColor(this System.Drawing.Color color)
 		{
-			return Windows.UI.Color.FromArgb(color.A, color.R, color.G, color.B);
+			string hex = color.ToHex();
+			return FromHex(hex);
 		}
 
 		public static System.Drawing.Color FromWindowsColor(this Windows.UI.Color color)
 		{
-			return System.Drawing.Color.FromArgb(color.ToInt());
+			string hex = color.ToHex();
+
+			return System.Drawing.Color.FromArgb(
+				Convert.ToByte(hex.Substring(1, 2), 16),
+				Convert.ToByte(hex.Substring(3, 2), 16),
+				Convert.ToByte(hex.Substring(5, 2), 16),
+				Convert.ToByte(hex.Substring(7, 2), 16));
 		}
 	}
 }