Refactor ItemsCrud.svelte to initialize searchQuery with an empty string and update it based on URL parameters using a reactive effect. Update receipt image handling in +page.svelte to define the image URL as a constant for improved readability.

src/routes/items/ItemsCrud.svelte

@@ -26,7 +26,11 @@
   let scanDialogOpen = $state(false);
   let editingItem = $state<StackqItem | null>(null);
   let formWhich = $state<"create" | "update">("create");
-  let searchQuery = $state(searchFromUrl);
+  let searchQuery = $state("");
+
+  $effect(() => {
+    searchQuery = searchFromUrl;
+  });
 
   const items = $derived(data?.items ?? []);
   const itemsForParent = $derived(data?.itemsForParent ?? []);

src/routes/receipts/[id]/+page.svelte

@@ -76,10 +76,10 @@
             </div>
           {/if}
           {#if receipt.Image}
+            {@const url = imageUrl(receipt)}
             <div class="flex gap-2">
               <dt class="text-muted-foreground w-24 shrink-0">Image</dt>
               <dd>
-                {@const url = imageUrl(receipt)}
                 {#if url}
                   <img
                     src={url}