message: fix export for sanitizeEditableContent
diff: @@ -261,7 +261,7 @@ function findParentByClassNames(element: HTMLElement, classNames: Array<string>)
  }
  }
  }
  -function sanitizeEditableContent(element: any) {
  +export function sanitizeEditableContent(element: any) {
  if (window.getSelection && document.createRange) {
  const selection = document.getSelection();
  @@ -302,6 +302,5 @@ export {
  increaseHeightByContent,
  getOriginalEvent,
  preventDefaults,
  - findParentByClassNames,
  - sanitizeEditableContent
  + findParentByClassNames
  };
  