Fix Blazor WebAssembly Benchmarks (#48820)

Author: MackinnonBuck

src/Components/benchmarkapps/Wasm.Performance/Driver/Wasm.Performance.Driver.csproj

@@ -9,6 +9,7 @@
     <SignAssembly>false</SignAssembly>
     <IsTestAssetProject>true</IsTestAssetProject>
     <RuntimeIdentifier Condition=" '$(DotNetBuildFromSource)' != 'true' ">linux-x64</RuntimeIdentifier>
+    <SelfContained Condition=" '$(DotNetBuildFromSource)' != 'true' ">true</SelfContained>
     <Nullable>annotations</Nullable>
   </PropertyGroup>