fix: add browser check

AquaNet/src/pages/Home/SetupInstructions.svelte

@@ -56,6 +56,7 @@ id=${keychip}`.trim(), {
         {t('setup.keychip-warning')}
       </blockquote>
       
+      {#if !!window.showOpenFilePicker}
         <details>
           <summary>{t('setup.type.automatic')}</summary>
           {@html t('setup.automatic')}
@@ -68,6 +69,7 @@ id=${keychip}`.trim(), {
             <button on:click={patchSegatools}>{t('setup.automatic.select')}</button>
           </div>
         </details>
+      {/if}
 
       <details>
         <summary>{t('setup.type.manual')}</summary>