message: fix: Fix style flash when using `Portal` within flexbox containers
diff: @@ -149,8 +149,12 @@ export const usePortal = createHook<PortalOptions>(
  // If the element should be rendered within a portal, but the portal
  // node is not yet in the DOM, we'll return an empty div element. We
  // assign the id to the element so we can use it to set the portal id
  - // later on.
  - return <span ref={refProp} id={props.id} />;
  + // later on. We're using position: fixed here so that the browser
  + // doesn't add margin to the element when setting gap on a parent
  + // element.
  + return (
  + <span ref={refProp} id={props.id} style={{ position: "fixed" }} />
  + );
  }
  element = (
  