fix(codegen): Don't warn on CA1001 by default (disposable fields) for generated code

Author: jeromelaban

src/SourceGenerators/Uno.UI.SourceGenerators/Content/Uno.UI.SourceGenerators.props

@@ -169,9 +169,9 @@
 	<IncludeXamlNamespaces Condition="'$(XamarinProjectType)'=='net461'" Include="not_netstdref" />
 
 	<!--
-				A list of analyzer suppressions to include in every generated class.
-				This is required for roslyn analyzers that do not support the GeneratedCodeAttribute.
-			-->
+		A list of analyzer suppressions to include in every generated class.
+		This is required for roslyn analyzers that do not support the GeneratedCodeAttribute.
+	-->
 	<XamlGeneratorAnalyzerSuppressions Include="nventive.Usage-NV0056" />
 	<XamlGeneratorAnalyzerSuppressions Include="nventive.Usage-NV0058" />
 	<XamlGeneratorAnalyzerSuppressions Include="nventive.Usage-NV1003" />
@@ -180,6 +180,12 @@
 	<XamlGeneratorAnalyzerSuppressions Include="nventive.Usage-NV2003" />
 	<XamlGeneratorAnalyzerSuppressions Include="nventive.Usage-NV2004" />
 	<XamlGeneratorAnalyzerSuppressions Include="nventive.Usage-NV2005" />
+
+	<!--
+		Ignore disposable fields, Uno manages those on its own.
+		https://docs.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca1001
+	-->
+	<XamlGeneratorAnalyzerSuppressions Include="dotnet-CA1001" />
   </ItemGroup>
 
   <PropertyGroup>

src/SourceGenerators/Uno.UI.SourceGenerators/DependencyObject/DependencyObjectGenerator.cs

@@ -49,6 +49,7 @@ private class SerializationMethodsGenerator : SymbolVisitor
 			private readonly INamedTypeSymbol? _iFrameworkElementSymbol;
 			private readonly INamedTypeSymbol? _frameworkElementSymbol;
 			private readonly bool _isUnoSolution;
+			private readonly string[] _analyzerSuppressions;
 
 			public SerializationMethodsGenerator(GeneratorExecutionContext context)
 			{
@@ -68,6 +69,7 @@ public SerializationMethodsGenerator(GeneratorExecutionContext context)
 				_iFrameworkElementSymbol = comp.GetTypeByMetadataName(XamlConstants.Types.IFrameworkElement);
 				_frameworkElementSymbol = comp.GetTypeByMetadataName("Windows.UI.Xaml.FrameworkElement");
 				_isUnoSolution = _context.GetMSBuildPropertyValue("_IsUnoUISolution") == "true";
+				_analyzerSuppressions = context.GetMSBuildPropertyValue("XamlGeneratorAnalyzerSuppressionsProperty").Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
 			}
 
 			public override void VisitNamedType(INamedTypeSymbol type)
@@ -164,6 +166,8 @@ private void ProcessType(INamedTypeSymbol typeSymbol)
 								builder.AppendLineInvariant(@"[global::Windows.UI.Xaml.Data.Bindable]");
 							}
 
+							AnalyzerSuppressionsGenerator.Generate(builder, _analyzerSuppressions);
+
 							var internalDependencyObject = _isUnoSolution && !typeSymbol.IsSealed ? ", IDependencyObjectInternal" : "";
 
 							using (builder.BlockInvariant($"partial class {typeSymbol.Name} : IDependencyObjectStoreProvider, IWeakReferenceProvider{internalDependencyObject}"))