Net Core - ManagePackageVersionsCentrally exclude chromiumembeddedfra…

…mework.runtime packages

- When Nuget packages are managed centrally the build will break when no RuntimeIdentifier is specified
  as the .targets file includes <PackageReference/> entries for the chromiumembeddedframework.runtime packages.
  For now when ManagePackageVersionsCentrally exclude the <ItemGroup />

Issue #4362

NuGet/PackageReference/CefSharp.Common.NETCore.targets

@@ -140,10 +140,12 @@
       </ItemGroup>
     </When>
     <Otherwise>
-      <ItemGroup>
+      <ItemGroup Condition="'$(ManagePackageVersionsCentrally)' != 'true'">
         <PackageReference Include="chromiumembeddedframework.runtime.win-x64" Version="111.0.11" />
         <PackageReference Include="chromiumembeddedframework.runtime.win-x86" Version="111.0.11" />
         <PackageReference Include="chromiumembeddedframework.runtime.win-arm64" Version="111.0.11" />
+	  </ItemGroup>
+	  <ItemGroup>
         <Content Include="@(CefRuntimeWin32Locales)">
           <Link>runtimes\win-x86\native\locales\%(RecursiveDir)%(FileName)%(Extension)</Link>
           <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>