Change the hls manifest type to match the parser name shaka player registers (#5648)

Author: MarmadileManteater

src/renderer/views/Watch/Watch.js

@@ -38,7 +38,7 @@ import {
 } from '../../helpers/api/invidious'
 
 const MANIFEST_TYPE_DASH = 'application/dash+xml'
-const MANIFEST_TYPE_HLS = 'application/x-mpegURL'
+const MANIFEST_TYPE_HLS = 'application/x-mpegurl'
 
 export default defineComponent({
   name: 'Watch',