[wasm][bench] Fix the template dir creation (dotnet#114482)

The path was wrong, not updated after copy/paste?

Author: radekdoulik

src/mono/sample/wasm/browser-bench/Wasm.Browser.Bench.Sample.csproj

@@ -125,7 +125,7 @@
         <OverrideDestFiles Include="$(MonoProjectRoot)sample/wasm/browser-frame/browser-frame/wwwroot/frame.js" />
     </ItemGroup>
 
-    <MakeDir Directories="$(MonoProjectRoot)sample/wasm/blazor-frame/browser-frame"/>
+    <MakeDir Directories="$(MonoProjectRoot)sample/wasm/browser-frame/browser-frame"/>
     <Copy SourceFiles="@(OverrideFiles)" DestinationFiles="@(OverrideDestFiles)" UseSymbolicLinksIfPossible="true" OverwriteReadOnlyFiles="true" />
 
     <WriteLinesToFile