fix: more minor errors

src/background/parser.js

@@ -95,7 +95,7 @@ export default class Parser {
       parser.on('file', file => {
         if (this.destroyed) return
         if (file.mimetype.toLowerCase().includes('font') || file.filename.toLowerCase().endsWith('.ttf')) {
-          const data = Buffer.from(file.data)
+          const data = new Uint8Array(file.data).slice(0)
           this.client.dispatch('file', { mimetype: file.mimetype, data }, [data.buffer])
         }
       })

src/renderer/components/Menubar.svelte

@@ -4,10 +4,8 @@
 
   export let page
   const view = getContext('view')
-  const trailer = getContext('trailer')
   function close () {
     $view = null
-    $trailer = null
     page = 'home'
   }
 </script>