Support HubMethodNameAttribute inheritance for DefaultHubDispatcher.

[paulomorgado]

Support HubMethodNameAttribute inheritance for DefaultHubDispatcher

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Fixes #64291

[dotnet-policy-service]

Thanks for your PR, @@paulomorgado. Someone from the team will get assigned to your PR shortly and we'll get it reviewed.

[Copilot]

Pull request overview

This PR adds support for inheriting the HubMethodNameAttribute in the DefaultHubDispatcher by modifying the attribute lookup to use inherit: true. This change ensures that when a hub method in a derived class overrides a base class method that has a HubMethodNameAttribute, the attribute is properly inherited.

• Modified GetCustomAttribute<HubMethodNameAttribute> to use inherit: true parameter, making it consistent with how AuthorizeAttribute is already handled
• Added comprehensive test coverage for [FromService] attribute functionality with various parameter combinations
• Reorganized and added hub test methods in ServicesHub to support the new tests

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
src/SignalR/server/Core/src/Internal/DefaultHubDispatcher.cs	Added inherit: true parameter to GetCustomAttribute<HubMethodNameAttribute> call to enable attribute inheritance from base classes
src/SignalR/server/SignalR/test/Microsoft.AspNetCore.SignalR.Tests/HubConnectionHandlerTests.cs	Added 10 new test methods for [FromService] attribute scenarios and reorganized using statements
src/SignalR/server/SignalR/test/Microsoft.AspNetCore.SignalR.Tests/HubConnectionHandlerTestUtils/Hubs.cs	Added and reorganized hub methods in ServicesHub to support testing of service injection with attributes

[dotnet-policy-service]

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