fix: Use culture invariant float parsing

Author: Youssef1313

src/Uno.UI/Microsoft/UI/Xaml/Controls/AnimatedIcon/AnimatedIcon.cs

@@ -3,6 +3,7 @@
 // MUX Reference AnimatedIcon.cpp, commit 1b9db23
 
 using System;
+using System.Globalization;
 using System.Numerics;
 using Uno.Disposables;
 using Uno.UI.Helpers.WinUI;
@@ -448,7 +449,7 @@ private float Wcstof(string input, ref string strEnd)
 			for (int currentLength = input.Length; currentLength > 0; currentLength--)
 			{
 				var shortenedInput = input.Substring(0, currentLength);
-				if (float.TryParse(shortenedInput, out var parsed))
+				if (float.TryParse(shortenedInput, NumberStyles.Float, NumberFormatInfo.InvariantInfo, out var parsed))
 				{
 					if (input.Length - currentLength == 0)
 					{

src/Uno.UI/UI/Xaml/Media/PointCollection.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Text;
 using Windows.Foundation;
@@ -128,7 +129,7 @@ public static implicit operator PointCollection(string s)
 			var values = fields
 				.SelectToArray(strVal =>
 				{
-					successfulConversion &= float.TryParse(strVal, out var v);
+					successfulConversion &= float.TryParse(strVal, NumberStyles.Float, NumberFormatInfo.InvariantInfo, out var v);
 					return v;
 				});