msbuild sdk workaround

Author: mfkl

src/LibVLCSharp/LibVLCSharp.csproj

@@ -37,7 +37,9 @@ LibVLC needs to be installed separately, see VideoLAN.LibVLC.* packages.</Descri
     <PackageId>LibVLCSharp</PackageId>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <EnableDefaultPageItems>false</EnableDefaultPageItems>
-   <RuntimeIdentifiers Condition="$(TargetFramework.Contains('net9.0-windows10'))">win-x86;win-x64;win-arm64</RuntimeIdentifiers>
+    <RuntimeIdentifiers Condition="$(TargetFramework.Contains('net9.0-windows10'))">win-x86;win-x64;win-arm64</RuntimeIdentifiers>
+    <!-- https://github.com/novotnyllc/MSBuildSdkExtras/issues/305 -->
+    <TargetFrameworkIdentifier Condition=" $([MSBuild]::GetTargetFrameworkIdentifier('$(TargetFramework)')) == '.NETCoreApp' ">.NETCoreApp</TargetFrameworkIdentifier>
   </PropertyGroup>
   <!--Override TFMs when building from the LVS.Win32 solution-->
   <PropertyGroup Condition="$(Configuration.StartsWith('Win32'))">