message: feat: add defaultProps option to CesiumComponent
diff: @@ -37,6 +37,7 @@ export interface CesiumComponentOption<E, P, C, CC = {}, R = {}> {
  setCesiumPropsAfterCreate?: boolean;
  noRender?: boolean;
  createRef?: boolean;
  + defaultProps?: Partial<P>;
  }
  export interface CesiumElementHolder<E> {
  @@ -53,6 +54,9 @@ const createCesiumComponent = <E, P, C, CC = {}, R = {}>(
  class CesiumComponent extends React.PureComponent<WithContextProps<P, C>> {
  public static displayName = opts.name;
  + public static defaultProps: Partial<WithContextProps<P, C>> =
  + (opts.defaultProps as Partial<WithContextProps<P, C>>) || {};
  +
  private static getCesiumEventMap(
  props: Readonly<WithContextProps<P, C>> & Readonly<{ children?: React.ReactNode }>,
  ) {
  