add: better search and better delete locking mechanism

src/lib/components/dashboard/WishlistGrid.svelte

@@ -14,6 +14,7 @@
 		emptyActionLabel,
 		emptyActionHref,
 		headerAction,
+		searchBar,
 		children
 	}: {
 		title: string;
@@ -24,6 +25,7 @@
 		emptyActionLabel?: string;
 		emptyActionHref?: string;
 		headerAction?: Snippet;
+		searchBar?: Snippet;
 		children: Snippet<[any]>;
 	} = $props();
 
@@ -53,6 +55,11 @@
 				{@render headerAction()}
 			{/if}
 		</div>
+		{#if searchBar}
+			<div class="mt-4">
+				{@render searchBar()}
+			</div>
+		{/if}
 	</CardHeader>
 	<CardContent>
 		{#if items && items.length > 0}