[bugfix] clear the notfound message on new search

src/components/Search.astro

@@ -14,6 +14,8 @@ import { Show } from '@clerk/astro/components'
         }
     };
     const beforeSearch = (e) => {
+        const notfound = document.getElementById('notfound');
+        if (notfound) notfound.innerHTML = '';
         const start = document.querySelector('#start');
         if (start) {
             start.value = '0';