message: refact: fix IncrementalDisplay render
diff: @@ -25,6 +25,11 @@ export default class IncrementalDisplayble extends Displayble {
  private _cursor = 0
  + useStyle() {
  + // Use an empty style
  + // PENDING
  + this.style = {};
  + }
  // getCurrentCursor / updateCursorAfterBrush
  // is used in graphic.ts. It's not provided for developers
  getCursor() {
  