Fix support of FromKeyedServicesAttribute in ActivatorUtilities.CreateFactory

[benjaminpetit]

Fixes #92076

Right now ActivatorUtilities.CreateFactory doesn't check if the constructor parameters have a FromKeyedServicesAttribute to get them from the keyed services container.

It will make ActivatorUtilities.CreateFactory slower since it involves more reflection, but CreateFactory should be called only once per type, and the factory created can be cached and called multiple times by the application, so it should not impact performance too much.

ASP.NET Core MVC and SignalR need this feature for 8.0.

[ghost]

Tagging subscribers to this area: @dotnet/area-extensions-dependencyinjection
See info in area-owners.md if you want to be subscribed.

Issue Details

---

Fix for #92076

Right now ActivatorUtilities.CreateFactory doesn't check if the constructor parameters have a FromKeyedServicesAttribute to get them from the keyed services container.

It will make ActivatorUtilities.CreateFactory slower since it involves more reflection, but CreateFactory should be called only once per type, and the factory created can be cached and called multiple times by the application, so it should not impact performance too much.

ASP.NET Core MVC and SignalR need this feature for 8.0.

Author:	benjaminpetit
Assignees:	-
Labels:	area-Extensions-DependencyInjection
Milestone:	-

[benjaminpetit]

/backport to release/8.0

[github-actions]

Started backporting to release/8.0: https://github.com/dotnet/runtime/actions/runs/6201381699

[github-actions]

@benjaminpetit an error occurred while backporting to release/8.0, please check the run log for details!

Error: @benjaminpetit is not a repo collaborator, backporting is not allowed. If you're a collaborator please make sure your dotnet team membership visibility is set to Public on https://github.com/orgs/dotnet/people?query=benjaminpetit

[github-actions]

Started backporting to release/8.0: https://github.com/dotnet/runtime/actions/runs/6201381699