fix: hide side nav in zen mode (#1608)

layouts/default.vue

@@ -17,7 +17,7 @@ const isGrayscale = usePreferences('grayscaleMode')
 <template>
   <div h-full :data-mode="isHydrated && isGrayscale ? 'grayscale' : ''">
     <main flex w-full mxa lg:max-w-80rem class="native:grid native:sm:grid-cols-[auto_1fr] native:lg:grid-cols-[auto_minmax(600px,2fr)_1fr]">
-      <aside class="native:w-auto w-1/8 md:w-1/6 lg:w-1/5 xl:w-1/4" hidden sm:flex justify-end xl:me-4 zen-hide relative>
+      <aside class="native:w-auto w-1/8 md:w-1/6 lg:w-1/5 xl:w-1/4 zen-hide" hidden sm:flex justify-end xl:me-4 relative>
         <div sticky top-0 w-20 xl:w-100 h-screen flex="~ col" lt-xl-items-center>
           <slot name="left">
             <div flex="~ col" overflow-y-auto justify-between h-full max-w-full pt-5 native:pt-7 overflow-x-hidden>