[browser/blazor] enable GenerateRuntimeConfigurationFiles

[pavelsavara]

Contributes to dotnet/runtime#97449
Together with dotnet/runtime#115113
Filled for the broken incrementalism dotnet/runtime#115646

[Copilot]

Pull Request Overview

This PR modifies the Blazor WebAssembly SDK targets to conditionally disable the generation of runtime configuration files for Blazor projects until .NET 10. The changes include updating the element to include a condition based on the target framework version.

[dotnet-policy-service]

Thanks for your PR, @@pavelsavara.
To learn about the PR process and branching schedule of this repo, please take a look at the SDK PR Guide.

[pavelsavara]

Log

[xUnit.net 00:00:42.71]     Microsoft.NET.Sdk.BlazorWebAssembly.Tests.WasmBuildIncrementalismTest.Build_IsIncremental [FAIL]
[xUnit.net 00:00:42.71]       Expected boolean to be True, but found False.
[xUnit.net 00:00:42.72]       Stack Trace:
[xUnit.net 00:00:42.72]            at FluentAssertions.Execution.LateBoundTestFramework.Throw(String message)
[xUnit.net 00:00:42.72]            at FluentAssertions.Execution.DefaultAssertionStrategy.HandleFailure(String message)
[xUnit.net 00:00:42.72]            at FluentAssertions.Execution.AssertionScope.AddPreFormattedFailure(String formattedFailureMessage)
[xUnit.net 00:00:42.72]            at FluentAssertions.Execution.AssertionChain.FailWith(Func`1 getFailureReason)
[xUnit.net 00:00:42.73]            at FluentAssertions.Execution.AssertionChain.FailWith(Func`1 getFailureReason)
[xUnit.net 00:00:42.73]            at FluentAssertions.Execution.AssertionChain.FailWith(String message, Object[] args)
[xUnit.net 00:00:42.74]            at FluentAssertions.Primitives.BooleanAssertions`1.BeTrue(String because, Object[] becauseArgs)
[xUnit.net 00:00:42.74]         /_/test/Microsoft.NET.Sdk.BlazorWebAssembly.Tests/WasmBuildIncrementalismTest.cs(46,0): at Microsoft.NET.Sdk.BlazorWebAssembly.Tests.WasmBuildIncrementalismTest.Build_IsIncremental()
[xUnit.net 00:00:42.74]            at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
[xUnit.net 00:00:42.74]            at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)

[pavelsavara]

@maraf please look again, I made few more changes