WindowsAppSDK: The function "Is64BitProcess" on type "System.Environment" is not available

Describe the bug

When building a C# project that references Microsoft.WindowsAppSDK using dotnet build, the following error happens:

.nuget\packages\microsoft.windows.sdk.buildtools\10.0.20348.19\build\Microsoft.Windows.SDK.BuildTools.props(4,37): error MSB4185: The function "Is64BitProcess" on type "System.Environment" is not available for execution as an MSBuild property function.

Steps to reproduce the bug

Create a csproj with the following content:

<Project Sdk="Microsoft.NET.Sdk">

	<PropertyGroup>
		<TargetFramework>net5.0-windows10.0.18362.0</TargetFramework>
	</PropertyGroup>

	<ItemGroup>
		<PackageReference Include="Microsoft.WindowsAppSDK">
			<Version>1.0.0-preview2</Version>
		</PackageReference>
	</ItemGroup>

</Project>

Then run dotnet build in the folder containing the project.

Expected behavior The build passes.

Version Info VS 2022 Preview 6 dotnet 6.0.100-rc.2.21505.57, but also happens on earlier versions

NuGet package version: Microsoft.WindowsAppSDK 1.0.0-preview2

Windows version	Saw the problem?
Insider Build (xxxxx)
May 2020 Update (19041)
November 2019 Update (18363)
May 2019 Update (18362)
October 2018 Update (17763)

Additional context