fix(ui): reset page to 1 when searching prompts (#22912)

src/lib/components/workspace/Prompts.svelte

@@ -64,6 +64,7 @@
 		loading = true;
 		clearTimeout(searchDebounceTimer);
 		searchDebounceTimer = setTimeout(() => {
+			page = 1;
 			getPromptList();
 		}, 300);
 	}