fix

Author: ViktorHofer

src/Servers/IIS/Directory.Build.props

@@ -13,7 +13,7 @@
     <PlatformToolsetVersion>143</PlatformToolsetVersion>
   </PropertyGroup>
 
-  <ItemGroup>
+  <ItemGroup Condition="'$(MSBuildProjectExtension)' == '.vcxproj'">
     <PackageDownload Include="Microsoft.NETCore.App.Host.win-$(HostArch)" Version="[$(MicrosoftNETCoreAppRefVersion)]" />
   </ItemGroup>