[mono] Fix c&p error in MarshalingPInvokeScanner.

[rolfbjarne]

No description provided.

PR Overview

This PR fixes a copy-and-paste error in the Enum type check within the marshaling type compatibility provider.

• Changed the namespace check from typeDef.Namespace to baseType.Namespace to correctly validate the base type.

Reviewed Changes

File	Description
src/tasks/MonoTargetsTasks/MarshalingPInvokeScanner/MinimalMarshalingTypeCompatibilityProvider.cs	Fixed the comparison to properly use baseType for checking if the type is System.Enum

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src/tasks/MonoTargetsTasks/MarshalingPInvokeScanner/MinimalMarshalingTypeCompatibilityProvider.cs:111

• The check now correctly uses baseType.Namespace instead of typeDef.Namespace. Please ensure that this fix aligns with similar type checks throughout the code for consistency.

if (reader.GetString(baseType.Namespace) == "System" &&

[rolfbjarne]

This fixes a problem where numerous BCL assemblies are flagged as requiring the marshal-ilgen component:

Assembly /Users/rolf/test/dotnet/marshalling-scanner/tmp/Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64/runtimes/maccatalyst-arm64/lib/net9.0/System.Diagnostics.Process.dll requires marshal-ilgen for method .Sys:ConvertErrorPlatformToPal (first pass).
Assembly /Users/rolf/test/dotnet/marshalling-scanner/tmp/Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64/runtimes/maccatalyst-arm64/lib/net9.0/System.Formats.Tar.dll requires marshal-ilgen for method .Sys:ConvertErrorPlatformToPal (first pass).
Assembly /Users/rolf/test/dotnet/marshalling-scanner/tmp/Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64/runtimes/maccatalyst-arm64/lib/net9.0/System.IO.Compression.Brotli.dll requires marshal-ilgen for method .Brotli:BrotliDecoderDecompress (first pass).
Assembly /Users/rolf/test/dotnet/marshalling-scanner/tmp/Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64/runtimes/maccatalyst-arm64/lib/net9.0/System.IO.Compression.dll requires marshal-ilgen for method .ZLib:DeflateInit2_ (first pass).
Assembly /Users/rolf/test/dotnet/marshalling-scanner/tmp/Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64/runtimes/maccatalyst-arm64/lib/net9.0/System.IO.Compression.ZipFile.dll requires marshal-ilgen for method .Sys:ConvertErrorPlatformToPal (first pass).
Assembly /Users/rolf/test/dotnet/marshalling-scanner/tmp/Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64/runtimes/maccatalyst-arm64/lib/net9.0/System.IO.FileSystem.DriveInfo.dll requires marshal-ilgen for method .Sys:ConvertErrorPlatformToPal (first pass).
Assembly /Users/rolf/test/dotnet/marshalling-scanner/tmp/Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64/runtimes/maccatalyst-arm64/lib/net9.0/System.IO.FileSystem.Watcher.dll requires marshal-ilgen for method .Sys:ConvertErrorPlatformToPal (first pass).
Assembly /Users/rolf/test/dotnet/marshalling-scanner/tmp/Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64/runtimes/maccatalyst-arm64/lib/net9.0/System.IO.MemoryMappedFiles.dll requires marshal-ilgen for method .Sys:ConvertErrorPlatformToPal (first pass).
Assembly /Users/rolf/test/dotnet/marshalling-scanner/tmp/Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64/runtimes/maccatalyst-arm64/lib/net9.0/System.IO.Pipes.dll requires marshal-ilgen for method .Sys:ConvertErrorPlatformToPal (first pass).
Assembly /Users/rolf/test/dotnet/marshalling-scanner/tmp/Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64/runtimes/maccatalyst-arm64/lib/net9.0/System.Net.Http.dll requires marshal-ilgen for method .CoreFoundation:CFNumberGetValue (first pass).
Assembly /Users/rolf/test/dotnet/marshalling-scanner/tmp/Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64/runtimes/maccatalyst-arm64/lib/net9.0/System.Net.NameResolution.dll requires marshal-ilgen for method .Sys:GetNameInfo (first pass).
Assembly /Users/rolf/test/dotnet/marshalling-scanner/tmp/Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64/runtimes/maccatalyst-arm64/lib/net9.0/System.Net.NetworkInformation.dll requires marshal-ilgen for method .CoreFoundation:<CFStringCreateWithCString>g____PInvoke|2_0 (first pass).
Assembly /Users/rolf/test/dotnet/marshalling-scanner/tmp/Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64/runtimes/maccatalyst-arm64/lib/net9.0/System.Net.Ping.dll requires marshal-ilgen for method .Sys:Socket (first pass).
Assembly /Users/rolf/test/dotnet/marshalling-scanner/tmp/Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64/runtimes/maccatalyst-arm64/lib/net9.0/System.Net.Primitives.dll requires marshal-ilgen for method .Sys:ConvertErrorPlatformToPal (first pass).
Assembly /Users/rolf/test/dotnet/marshalling-scanner/tmp/Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64/runtimes/maccatalyst-arm64/lib/net9.0/System.Net.Security.dll requires marshal-ilgen for method .NetSecurityNative:<DisplayMinorStatus>g____PInvoke|7_0 (first pass).
Assembly /Users/rolf/test/dotnet/marshalling-scanner/tmp/Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64/runtimes/maccatalyst-arm64/lib/net9.0/System.Net.Sockets.dll requires marshal-ilgen for method .Sys:ConvertErrorPlatformToPal (first pass).
Assembly /Users/rolf/test/dotnet/marshalling-scanner/tmp/Microsoft.NETCore.App.Runtime.Mono.maccatalyst-arm64/runtimes/maccatalyst-arm64/lib/net9.0/System.Net.WebSockets.dll requires marshal-ilgen for method .ZLib:DeflateInit2_ (first pass).