style: remove whitespaces at the end of the lines

Part-of: <https://dev.funkwhale.audio/funkwhale/funkwhale/-/merge_requests/2493>

front/public/embed.html

@@ -74,8 +74,8 @@
       //       that do not support other codecs to be able to play it :)
       if (sources.length > 0 && !sources.some(({ mimetype }) => mimetype === 'audio/mpeg')) {
         const source = sources[0].listen_url
-        const url = new URL(source.test(/^https?:/) 
-          ? source 
+        const url = new URL(source.test(/^https?:/)
+          ? source
           : source[0] === '/'
             ? `${baseUrl}${source}`
             : `${baseUrl}/${source}`