_onFabricMouseUp() {
    const canvas = this.getCanvas();

    this.fire(events.OBJECT_ADDED, this.graphics.createObjectProperties(this._icon));

    this._icon = null;

    canvas.off('mouse:down', this._handlers.mousedown);
    canvas.off('mouse:move', this._handlers.mousemove);
    canvas.off('mouse:up', this._handlers.mouseup);
  }
MouseUp event handler on canvas
@private