[Glitch] Change how CDN_HOST is passed down to make assets build reproducible

Port 4c45b43cb8 to glitch-soc

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

app/javascript/core/settings.js

@@ -1,5 +1,6 @@
 //  This file will be loaded on settings pages, regardless of theme.
 
+import 'packs/public-path';
 import escapeTextContentForBrowser from 'escape-html';
 const { delegate } = require('@rails/ujs');
 import emojify from '../mastodon/features/emoji/emoji';