fix: Correctly handle whitespaces in XBind path rewriter

src/SourceGenerators/Uno.UI.SourceGenerators.Tests/Given_xBindPathParser.cs

@@ -24,6 +24,9 @@ public class Given_xBindPathParser
 		[DataRow("\"{x:Bind a}\"", "\"{x:Bind YQA_}\"")]
 		[DataRow("\"{x:Bind Test(a)}\"", "\"{x:Bind VABlAHMAdAAoAGEAKQA_}\"")]
 		[DataRow("\"{x:Bind Test(a,b)}\"", "\"{x:Bind VABlAHMAdAAoAGEALABiACkA}\"")]
+		[DataRow("\"{x:Bind\nTest(a,b)}\"", "\"{x:Bind VABlAHMAdAAoAGEALABiACkA}\"")]
+		[DataRow("\"{x:Bind\r\nTest(a,b)}\"", "\"{x:Bind VABlAHMAdAAoAGEALABiACkA}\"")]
+		[DataRow("\"{x:Bind			Test(a,b)}\"", "\"{x:Bind VABlAHMAdAAoAGEALABiACkA}\"")]
 		[DataRow("\"{x:Bind Test(a,b), Converter={StaticResource Res1}}\"", "\"{x:Bind VABlAHMAdAAoAGEALABiACkA, Converter={StaticResource Res1}}\"")]
 		[DataRow("\"{x:Bind Test(a, (int)b), Converter={StaticResource Res1}}\"", "\"{x:Bind VABlAHMAdAAoAGEALAAgACgAaQBuAHQAKQBiACkA, Converter={StaticResource Res1}}\"")]
 		[DataRow("\"{x:Bind dateTimeField,Converter={StaticResource StringFormatConverter},ConverterParameter='Started: {0:MMM dd, yyyy hh:mm tt}',Mode=OneWay}\"", "\"{x:Bind ZABhAHQAZQBUAGkAbQBlAEYAaQBlAGwAZAA_,Converter={StaticResource StringFormatConverter},ConverterParameter='Started: {0:MMM dd, yyyy hh:mm tt}',Mode=OneWay}\"")]

src/SourceGenerators/Uno.UI.SourceGenerators/XamlGenerator/Utils/XBindExpressionParser.PathRewrite.cs

@@ -37,8 +37,9 @@ internal static string RewriteDocumentPaths(string markup)
 			var result =
 				Regex.Replace(
 					markup,
-					 "\"{x:Bind (.*?)}\"",
-					e => $"\"{{x:Bind {RewriteParameters(e.Groups[1].Value)}}}\""
+					 "\"{x:Bind\\s(.*?)}\"",
+					e => $"\"{{x:Bind {RewriteParameters(e.Groups[1].Value.Trim())}}}\"",
+					RegexOptions.Singleline
 				);
 
 			return result;