[Blazor] Use preloading in benchmark app

[maraf]

Apply preloading and fingerprinting placeholders to Wasm.Performance.TestApp

[maraf]

Failure is related

/home/vsts/work/1/s/.dotnet/sdk/10.0.100-preview.4.25216.37/Sdks/Microsoft.NET.Sdk.BlazorWebAssembly/targets/Microsoft.NET.Sdk.BlazorWebAssembly.6_0.targets(168,5): error : System.InvalidOperationException: No file exists for the asset at either location '/home/vsts/work/1/s/src/Components/benchmarkapps/Wasm.Performance/TestApp/bin/Release/net10.0/wwwroot/_framework/blazor.webassembly.js.cejseapcsj.map' or '/home/vsts/work/1/s/src/Components/benchmarkapps/Wasm.Performance/TestApp/bin/Release/net10.0/wwwroot/_framework/blazor.webassembly.js.cejseapcsj.map'. [/home/vsts/work/1/s/src/Components/benchmarkapps/Wasm.Performance/TestApp/Wasm.Performance.TestApp.csproj]
/home/vsts/work/1/s/.dotnet/sdk/10.0.100-preview.4.25216.37/Sdks/Microsoft.NET.Sdk.BlazorWebAssembly/targets/Microsoft.NET.Sdk.BlazorWebAssembly.6_0.targets(168,5): error :    at Microsoft.AspNetCore.StaticWebAssets.Tasks.StaticWebAsset.ResolveFile(String identity, String originalItemSpec) [/home/vsts/work/1/s/src/Components/benchmarkapps/Wasm.Performance/TestApp/Wasm.Performance.TestApp.csproj]
/home/vsts/work/1/s/.dotnet/sdk/10.0.100-preview.4.25216.37/Sdks/Microsoft.NET.Sdk.BlazorWebAssembly/targets/Microsoft.NET.Sdk.BlazorWebAssembly.6_0.targets(168,5): error :    at Microsoft.AspNetCore.StaticWebAssets.Tasks.DefineStaticWebAssets.Execute() [/home/vsts/work/1/s/src/Components/benchmarkapps/Wasm.Performance/TestApp/Wasm.Performance.TestApp.csproj]

[dotnet-policy-service]

Looks like this PR hasn't been active for some time and the codebase could have been changed in the meantime.
To make sure no conflicting changes have occurred, please rerun validation before merging. You can do this by leaving an /azp run comment here (requires commit rights), or by simply closing and reopening.

[maraf]

It needs SDK change from dotnet/sdk#49178

[dotnet-policy-service]

Looks like this PR hasn't been active for some time and the codebase could have been changed in the meantime.
To make sure no conflicting changes have occurred, please rerun validation before merging. You can do this by leaving an /azp run comment here (requires commit rights), or by simply closing and reopening.