[C#] `ResourceUid` is broken.

[zaevi]

Godot version

4.2.beta1

System information

Godot v4.2.beta.mono (ee118e7) - Windows 10.0.22621 - Vulkan (Forward+) - dedicated NVIDIA GeForce RTX 4090 (NVIDIA; 31.0.15.3742) - 13th Gen Intel(R) Core(TM) i7-13700F (24 Threads)

Issue description

Calling methods of ResourceUid will cause error:

ResourceUid.CreateId();

Exception:

E 0:00:00:0608   object System.Runtime.CompilerServices.CastHelpers.ChkCast_Helper(System.Void*, object): System.InvalidCastException: Unable to cast object of type 'Godot.GodotObject' to type 'Godot.ResourceUidInstance'.
  <C++ 错误>       System.InvalidCastException
  <C++ 源文件>      :0 @ object System.Runtime.CompilerServices.CastHelpers.ChkCast_Helper(System.Void*, object)
  <栈追踪>          :0 @ object System.Runtime.CompilerServices.CastHelpers.ChkCast_Helper(System.Void*, object)
                 ResourceUid.cs:27 @ Godot.ResourceUidInstance Godot.ResourceUid.get_Singleton()
                 ResourceUid.cs:60 @ long Godot.ResourceUid.CreateId()
                 Main.cs:10 @ void Main._Ready()
                 Node.cs:2121 @ bool Godot.Node.InvokeGodotClassMethod(Godot.NativeInterop.godot_string_name&, Godot.NativeInterop.NativeVariantPtrArgs, Godot.NativeInterop.godot_variant&)
                 CanvasItem.cs:1368 @ bool Godot.CanvasItem.InvokeGodotClassMethod(Godot.NativeInterop.godot_string_name&, Godot.NativeInterop.NativeVariantPtrArgs, Godot.NativeInterop.godot_variant&)
                 Control.cs:2824 @ bool Godot.Control.InvokeGodotClassMethod(Godot.NativeInterop.godot_string_name&, Godot.NativeInterop.NativeVariantPtrArgs, Godot.NativeInterop.godot_variant&)
                 Main_ScriptMethods.generated.cs:48 @ bool Main.InvokeGodotClassMethod(Godot.NativeInterop.godot_string_name&, Godot.NativeInterop.NativeVariantPtrArgs, Godot.NativeInterop.godot_variant&)
                 CSharpInstanceBridge.cs:24 @ Godot.NativeInterop.godot_bool Godot.Bridge.CSharpInstanceBridge.Call(nint, Godot.NativeInterop.godot_string_name*, Godot.NativeInterop.godot_variant**, int, Godot.NativeInterop.godot_variant_call_error*, Godot.NativeInterop.godot_variant*)

Steps to reproduce

N/A

Minimal reproduction project

N/A

[zaevi]

After #79470, singletons will additionally generate an instance type.

Seems both ResourceUid and ResourceUidInstance have [GodotClassName] attribute and the brigde chose the first one (in ScriptManagerBridge.TypeGetProxyClass).
The bridge lookup the type using native name ResourceUIDInstance.