[Glitch] Fix media descriptions not being used for client-side filtering

Port 37e80994f8 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

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

@@ -62,7 +62,7 @@ export function normalizeStatus(status, normalOldStatus) {
     normalStatus.spoilerHtml = normalOldStatus.get('spoilerHtml');
   } else {
     const spoilerText   = normalStatus.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');
     const emojiMap      = makeEmojiMap(normalStatus);
 
     normalStatus.search_index = domParser.parseFromString(searchContent, 'text/html').documentElement.textContent;