fix: Fix Stretch.None behavior and closing path on Skia

src/Uno.UI/Media/PathStreamGeometryContext.cs

@@ -247,6 +247,8 @@ public override void SetClosedState(bool closed)
 					bezierPath.ClosePath();
 #elif __ANDROID__
 					bezierPath.Close();
+#elif __SKIA__
+					bezierPath.Geometry.Close();
 #endif
 				}
 			}

src/Uno.UI/UI/Xaml/FrameworkElement.Layout.crossruntime.cs

@@ -100,6 +100,9 @@ private void InnerMeasureCore(Size availableSize)
 
 			var desiredSize = MeasureOverride(frameworkAvailableSize);
 
+			// TODO: This is needed in Android, iOS, macOS.
+			desiredSize = new Size(Math.Round(desiredSize.Width, MidpointRounding.AwayFromZero), Math.Round(desiredSize.Height, MidpointRounding.AwayFromZero));
+
 			_logDebug?.Trace($"{DepthIndentation}{FormatDebugName()}.MeasureOverride(availableSize={frameworkAvailableSize}): desiredSize={desiredSize} minSize={minSize} maxSize={maxSize} marginSize={marginSize}");
 
 			if (

src/Uno.UI/UI/Xaml/Shapes/Shape.layout.cs

@@ -277,10 +277,8 @@ private protected Size MeasureAbsoluteShape(Size availableSize, NativePath? path
 					// Also, as the path does not have any notion of stroke thickness, we have to include it for the measure phase.
 					// Note: The logic would say to include the full StrokeThickness as it will "overflow" half on booth side of the path,
 					//		 but WinUI does include only the half of it.
-					var pathNaturalSize = new Size(
-						pathBounds.X == 0 ? pathBounds.Width + strokeThickness : pathBounds.Right + alignedHalfStrokeThickness,
-						pathBounds.Y == 0 ? pathBounds.Height + strokeThickness : pathBounds.Bottom + alignedHalfStrokeThickness);
-					size = pathNaturalSize.AtMost(userMaxSize).AtLeast(userMinSize); // The size defined on the Shape has priority over the size of the geometry itself!
+					var halfStrokeThickness = strokeThickness / 2;
+					size = new Size(pathBounds.Right + halfStrokeThickness, pathBounds.Bottom + halfStrokeThickness);
 					break;
 
 				case Stretch.Fill:
@@ -368,10 +366,7 @@ private protected Size ArrangeAbsoluteShape(Size finalSize, NativePath? path, Fi
 			{
 				default:
 				case Stretch.None:
-					var alignedHalfStrokeThickness = GetAlignedHalfStrokeThickness();
-					var pathNaturalSize = new Size(
-						pathBounds.X == 0 ? pathBounds.Width + strokeThickness : pathBounds.Right + alignedHalfStrokeThickness,
-						pathBounds.Y == 0 ? pathBounds.Height + strokeThickness : pathBounds.Bottom + alignedHalfStrokeThickness);
+					var pathNaturalSize = new Size(pathBounds.Right + halfStrokeThickness, pathBounds.Bottom + halfStrokeThickness);
 					var (userMinSize, userMaxSize) = GetMinMax(userSize);
 
 					var clampedSize = pathNaturalSize.AtMost(userMaxSize).AtLeast(userMinSize); // The size defined on the Shape has priority over the size of the geometry itself!