fix after merge of master

Author: Picazsoo

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/KotlinSpringServerCodegen.java

@@ -1441,6 +1441,7 @@ private void markPropertyAsInherited(CodegenModel model, String baseName, String
                             p.defaultValue = dataType + "." + toEnumVarName(discriminatorValue, dataType);
                         } else {
                             p.defaultValue = "\"" + escapeText(discriminatorValue) + "\"";
+                            p.unescapedDefaultValue = discriminatorValue;
                         }
                     }
                 });