message: Make the web component decorator accept Null as a default value for number and bool.
diff: @@ -355,12 +355,12 @@ function validateAttributeDefaultValue(key: string, propertyType: PropertyType,
  }
  break;
  case "Number":
  - if ((typeof defaultValue) === "number") {
  + if ((typeof defaultValue) === "number" || defaultValue === null) {
  return;
  }
  break;
  case "Boolean":
  - if ((typeof defaultValue) === "boolean") {
  + if ((typeof defaultValue) === "boolean" || defaultValue === null) {
  return;
  }
  break;
  