Fix AST Converter missing conversion data

src/Parser/ASTConverter.cs

@@ -1833,6 +1833,8 @@ namespace CppSharp
                 var _spec = (AST.ClassTemplateSpecialization)Visit(spec);
                 _decl.Specializations.Add(_spec);
             }
+            _decl.TemplatedClass.TemplateParameters.AddRange(_decl.Parameters);
+            _decl.TemplatedClass.Specializations.AddRange(_decl.Specializations);
             return _decl;
         }
 
@@ -1927,6 +1929,7 @@ namespace CppSharp
                 var _param = Visit(param);
                 _decl.Parameters.Add(_param);
             }
+            _decl.TemplateParameters.AddRange(_decl.TemplatedDecl.Parameters);
             return _decl;
         }