[Svelte]: Hide suggestion UI after query was submitted (#62574)

client/web-sveltekit/src/lib/search/input/SearchInput.svelte

@@ -197,6 +197,11 @@
         // this, SvelteKit will not re-run the loader because the URL hasn't changed.
         await invalidate(`search:${url}`)
         void goto(url)
+
+        // Reset interaction state since after success submit we should hide
+        // suggestions UI but still keep focus on input, after user interacts with
+        // search input again we show suggestion panel
+        userHasInteracted = false
     }
 
     async function handleSubmit(event: Event) {