Merge pull request #104279 from L2750558108/pr-fix-nested-in-generic-errors

Fix nested GodotObject class in generic class lead to source generator errors in C#

modules/mono/editor/Godot.NET.Sdk/Godot.SourceGenerators/ExtensionMethods.cs

@@ -183,7 +183,7 @@ namespace Godot.SourceGenerators
 
         public static string NameWithTypeParameters(this INamedTypeSymbol symbol)
         {
-            return symbol.IsGenericType ?
+            return symbol.IsGenericType && symbol.TypeParameters.Length > 0 ?
                 string.Concat(symbol.Name, "<", string.Join(", ", symbol.TypeParameters), ">") :
                 symbol.Name;
         }