Improve detection of [DynamicallyAccessedMembers]

Author: Sergio0694

CommunityToolkit.Mvvm.SourceGenerators/ComponentModel/ObservableValidatorValidateAllPropertiesGenerator.cs

@@ -45,7 +45,7 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
         // Check whether [DynamicallyAccessedMembers] is available
         IncrementalValueProvider<bool> isDynamicallyAccessedMembersAttributeAvailable =
             context.CompilationProvider
-            .Select(static (item, _) => item.GetTypeByMetadataName("System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute") is { DeclaredAccessibility: Accessibility.Public });
+            .Select(static (item, _) => item.HasAccessibleTypeWithMetadataName("System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute"));
 
         // Gather the conditional flag and attribute availability
         IncrementalValueProvider<(bool IsHeaderFileNeeded, bool IsDynamicallyAccessedMembersAttributeAvailable)> headerFileInfo =

CommunityToolkit.Mvvm.SourceGenerators/Messaging/IMessengerRegisterAllGenerator.cs

@@ -60,7 +60,7 @@ item.Symbol.DeclaringSyntaxReferences[0] is SyntaxReference syntaxReference &&
         // Check whether [DynamicallyAccessedMembers] is available
         IncrementalValueProvider<bool> isDynamicallyAccessedMembersAttributeAvailable =
             context.CompilationProvider
-            .Select(static (item, _) => item.GetTypeByMetadataName("System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute") is { DeclaredAccessibility: Accessibility.Public });
+            .Select(static (item, _) => item.HasAccessibleTypeWithMetadataName("System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAttribute"));
 
         // Gather the conditional flag and attribute availability
         IncrementalValueProvider<(bool IsHeaderFileNeeded, bool IsDynamicallyAccessedMembersAttributeAvailable)> headerFileInfo =