message: don't try to query thumbnail if there's already one in the tweet
diff: @@ -3,6 +3,7 @@ import React, {FC, useCallback, useEffect, useState} from 'react';
  import {listenToInternalBTDMessage} from '../helpers/communicationHelpers';
  import {sendMessageToBackground} from '../helpers/webExtensionHelpers';
  import {findProviderForUrl} from '../thumbnails';
  +import {makeBtdUuidSelector} from '../types/betterTweetDeck/btdCommonTypes';
  import {
  BTDMessageOriginsEnum,
  BTDMessages,
  @@ -31,6 +32,20 @@ export const TweetThumbnailsProvider: FC = () => {
  return;
  }
  + const {uuid} = data.payload;
  +
  + const tweetNode = document.querySelector(makeBtdUuidSelector('data-btd-uuid', uuid));
  +
  + if (!tweetNode) {
  + return;
  + }
  +
  + const thumbnailNode = tweetNode.querySelector('.js-media');
  +
  + if (thumbnailNode) {
  + return;
  + }
  +
  const {urls} = data.payload;
  if (!urls || urls.length === 0) {
  return;
  