chore: Revert win tfm version

Author: eriklimakc

UI/Navigation/src/Navigation/Navigation.csproj

@@ -1,6 +1,13 @@
 <Project Sdk="Uno.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net8.0-android;net8.0-ios;net8.0-maccatalyst;net8.0-windows10.0.26100;net8.0-browserwasm;net8.0-desktop</TargetFrameworks>
+    <TargetFrameworks>
+      net8.0-android;
+      net8.0-ios;
+      net8.0-maccatalyst;
+      net8.0-windows10.0.19041;
+      net8.0-desktop;
+      net8.0-browserwasm;
+    </TargetFrameworks>
 
     <OutputType>Exe</OutputType>
     <UnoSingleProject>true</UnoSingleProject>
@@ -22,7 +29,11 @@
       the "Microsoft.Windows.SDK.BuildTools" package above, and the "revision" version number
       must be the highest found in https://www.nuget.org/packages/Microsoft.Windows.SDK.NET.Ref.
     -->
-    <!-- <WindowsSdkPackageVersion>10.0.22621.28</WindowsSdkPackageVersion> -->
+
+    <!-- Uno Platform 5.4 has been updated to use WinAppSDK 1.6, which necessitates a temporary version adjustment until newer versions of .NET 8 SDKs are released. -->
+    <!-- Comment this WindowsSdkPackageVersion line again once .NET SDK version 8.0.403 or later is available. -->
+    <!-- For more details, refer to: https://aka.platform.uno/migrate-from-previous#uno-platform-54 -->
+    <WindowsSdkPackageVersion>10.0.19041.38</WindowsSdkPackageVersion>
 
     <!--
       UnoFeatures let's you quickly add and manage implicit package references based on the features you want to use.