Bump to Orleans v9 which contains fix for externally defined records

Now that [v9.0](https://github.com/dotnet/orleans/releases/tag/v9.0.0) is officially out with the fix, we can now move forward with recommending the split interfaces-only package as the only dependency a cloud actors project needs.

CloudActors.sln

@@ -17,13 +17,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CloudActors.Server", "src\C
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CloudActors.Streamstone", "src\CloudActors.Streamstone\CloudActors.Streamstone.csproj", "{67E7E202-1AC7-477C-AE90-E7D7C04FF6DC}"
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{8A279BF7-3751-48D6-AA48-5DA9E4E79D23}"
-	ProjectSection(SolutionItems) = preProject
-		.editorconfig = .editorconfig
-		src\Directory.props = src\Directory.props
-		readme.md = readme.md
-	EndProjectSection
-EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TestDomain", "src\TestDomain\TestDomain.csproj", "{1D75C6E9-C4E9-44D8-B598-3A2D45C25EE6}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CloudActors.Server.CodeAnalysis", "src\CloudActors.Server.CodeAnalysis\CloudActors.Server.CodeAnalysis.csproj", "{68823E7F-269E-4947-8E2B-9905F163C96B}"

src/CloudActors.Server.CodeAnalysis/ActorsAssemblyGenerator.cs

@@ -28,7 +28,7 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
                         a => "Devlooped.CloudActorsAttribute".Equals(a.AttributeClass?.ToDisplayString(FullName))))
                     .Select((x, _) => (IAssemblySymbol)x!)
                     .Collect();
-
+        
         context.RegisterImplementationSourceOutput(assemblies.Combine(options), GenerateCode);
     }
 
@@ -48,8 +48,7 @@ static void GenerateCode(SourceProductionContext ctx, (ImmutableArray<IAssemblyS
 
         foreach (var assembly in assemblies)
         {
-            //[assembly: global::Orleans.ApplicationPartAttribute("TestDomain")]
-            output.AppendLine($"[assembly: global::Orleans.ApplicationPartAttribute(\"{assembly.Name}\")]");
+            output.AppendLine($"[assembly: ApplicationPartAttribute(\"{assembly.Name}\")]");
         }
 
         foreach (var type in assemblies.Select(x => x.GetAllTypes()
@@ -58,12 +57,12 @@ static void GenerateCode(SourceProductionContext ctx, (ImmutableArray<IAssemblyS
             if (type == null)
                 continue;
 
-            // [assembly: GenerateCodeForDeclaringAssembly(typeof(TestDomain.Account))]
             output.AppendLine($"[assembly: GenerateCodeForDeclaringAssembly(typeof({type.ToDisplayString(FullName)}))]");
         }
 
         var orleans = OrleansGenerator.GenerateCode(options, output.ToString(), "References", ctx.CancellationToken);
 
+        ctx.AddSource($"CloudActors.cs", output.ToString());
         ctx.AddSource($"CloudActors.orleans.cs", orleans);
     }
 }

src/CloudActors.Server/ActorStateFactory.cs

@@ -66,7 +66,6 @@ state is not StateStorageBridge<TState> bridge ||
         // However, the JournaledGrain base class overrides the OnActivateAsync method and 
         // forces a sync, so we're good since our generated grain does that too.
         //bridge.OnRehydrate(new ActivationContext(new GrainState<TState>(actor)));
-
     }
 
     class ActorPersistentState<TState, TActor> : IActorPersistentState<TState, TActor>
@@ -116,6 +115,7 @@ class ActivationContext(object actor) : IRehydrationContext
     {
         public IEnumerable<string> Keys => throw new NotImplementedException();
         public bool TryGetBytes(string key, out ReadOnlySequence<byte> value) => throw new NotImplementedException();
+
         public bool TryGetValue<T>(string key, out T? value)
         {
             if (actor is T typed)

src/CloudActors/CloudActors.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Orleans.Serialization.Abstractions" Version="8.2.0" />
+    <PackageReference Include="Microsoft.Orleans.Serialization.Abstractions" Version="$(OrleansVersion)" />
     <PackageReference Include="NuGetizer" Version="1.2.2" />
     <PackageReference Include="PolySharp" PrivateAssets="All" Version="1.14.1" />
   </ItemGroup>

src/Directory.props

@@ -6,12 +6,7 @@
     <RootNamespace>Devlooped.CloudActors</RootNamespace>
     <SignAssembly>false</SignAssembly>
     <SuppressNETCoreSdkPreviewMessage>true</SuppressNETCoreSdkPreviewMessage>
-    <OrleansVersion>8.2.0</OrleansVersion>
-  </PropertyGroup>
-
-  <PropertyGroup Condition="Exists('C:\Code\oss\orleans\Artifacts\Debug')">
-    <RestoreSources>C:\Code\oss\orleans\Artifacts\Debug;https://api.nuget.org/v3/index.json</RestoreSources>
-    <OrleansVersion>8.0.0-devs</OrleansVersion>
+    <OrleansVersion>9.0.0</OrleansVersion>
   </PropertyGroup>
 
 </Project>

src/TestDomain/Accounting.cs

@@ -2,10 +2,13 @@
 using System.Runtime.Serialization;
 using Devlooped.CloudActors;
 using Moq;
-using Orleans;
 
 namespace TestDomain;
 
+// NOTE: there's NO references or dependencies to any Orleans concepts. Just
+// pure CloudActors interfaces and attributes.
+
+
 public partial record Deposit(decimal Amount) : IActorCommand;
 
 public partial record Deposited(decimal Amount);

src/TestDomain/TestDomain.csproj

@@ -3,15 +3,11 @@
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
     <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
-    <!-- CS8785: ignoring Orleans source generator being run due to https://github.com/NuGet/Home/issues/6279 -->
-    <NoWarn>RS1036;CS8785</NoWarn>
+    <NoWarn>RS1036</NoWarn>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Moq" Version="4.20.70" />
-    <!-- See: https://github.com/NuGet/Home/issues/6279. For now, ExcludeAssets doesn't work for analyzers/generators, so we ARE running 
-         the Orleans source generator in this analyzer project itself, even if we don't want/need to. -->
-    <PackageReference Include="Microsoft.Orleans.CodeGenerator" Version="$(OrleansVersion)" IncludeAssets="analyers" PrivateAssets="all" />
   </ItemGroup>
 
   <ItemGroup>