_isElementInColorPickerControl(element) {
    let parentNode = element;

    while (parentNode !== document.body) {
      if (!parentNode) {
        break;
      }

      if (parentNode === this.pickerControl) {
        return true;
      }

      parentNode = parentNode.parentNode;
    }

    return false;
  }
Check given element is in pickerControl element
@param {Element} element - element to check
@returns {boolean}
@private