[Glitch] FIX: filters ignore media descriptions

Port c66403b257 to glitch-soc

Co-authored-by: Thibaut Girka <thib@sitedethib.com>
Signed-off-by: Thibaut Girka <thib@sitedethib.com>

app/javascript/flavours/glitch/actions/importer/normalizer.js

@@ -12,7 +12,7 @@ const makeEmojiMap = record => record.emojis.reduce((obj, emoji) => {
 
 export function searchTextFromRawStatus (status) {
   const spoilerText   = status.spoiler_text || '';
-  const searchContent = ([spoilerText, status.content].concat((status.poll && status.poll.options) ? status.poll.options.map(option => option.title) : [])).join('\n\n').replace(/<br\s*\/?>/g, '\n').replace(/<\/p><p>/g, '\n\n');
+  const searchContent = ([spoilerText, status.content].concat((status.poll && status.poll.options) ? status.poll.options.map(option => option.title) : [])).concat(status.media_attachments.map(att => att.description)).join('\n\n').replace(/<br\s*\/?>/g, '\n').replace(/<\/p><p>/g, '\n\n');
   return domParser.parseFromString(searchContent, 'text/html').documentElement.textContent;
 }