Fix parsing normalized SDK version

Author: Sergio0694

src/Tasks/Microsoft.NET.Build.Tasks/targets/Microsoft.NET.TargetFrameworkInference.targets

@@ -75,7 +75,8 @@ Copyright (c) .NET Foundation. All rights reserved.
     <_TargetPlatformVersionUsesCsWinRT3>false</_TargetPlatformVersionUsesCsWinRT3>
     <_TargetPlatformVersionUsesCsWinRT3 Condition="'$(TargetPlatformIdentifier)' == 'Windows' and $([System.Version]::Parse('$(TargetPlatformVersion)').Revision) == 1">true</_TargetPlatformVersionUsesCsWinRT3>
     <_OriginalWindowsTargetPlatformVersion Condition="'$(TargetPlatformIdentifier)' == 'Windows'">$(TargetPlatformVersion)</_OriginalWindowsTargetPlatformVersion>
-    <TargetPlatformVersion Condition="'$(TargetPlatformIdentifier)' == 'Windows' and '$(_TargetPlatformVersionUsesCsWinRT3)' == 'true'" >$([MSBuild]::GetTargetPlatformVersion('$(TargetFramework)', 3)).0</TargetPlatformVersion>
+    <_NormalizedWindowsTargetPlatformVersion Condition="'$(TargetPlatformIdentifier)' == 'Windows'">$([System.Version]::Parse('$(TargetPlatformVersion)').Major).$([System.Version]::Parse('$(TargetPlatformVersion)').Minor).$([System.Version]::Parse('$(TargetPlatformVersion)').Build).0</_NormalizedWindowsTargetPlatformVersion>
+    <TargetPlatformVersion Condition="'$(TargetPlatformIdentifier)' == 'Windows' and '$(_TargetPlatformVersionUsesCsWinRT3)' == 'true'" >$(_NormalizedWindowsTargetPlatformVersion)</TargetPlatformVersion>
 
     <TargetPlatformVersion Condition="'$(TargetPlatformVersion)' == '' or ('$(TargetPlatformIdentifier)' == 'Windows' and !$([MSBuild]::VersionGreaterThanOrEquals($(TargetPlatformVersion), 10.0)))" >$([MSBuild]::GetTargetPlatformVersion('$(TargetFramework)', 2))</TargetPlatformVersion>
     <TargetPlatformVersion Condition="$([MSBuild]::VersionEquals($(TargetPlatformVersion), 0.0))" ></TargetPlatformVersion>