implemented display of notes related to stock items

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

frontend/src/routes/stock/Index.svelte

@@ -7,6 +7,7 @@
     import Locations from './Locations.svelte';
     import ItemList         from './ItemList.svelte';
     import ItemProps        from './ItemProps.svelte';
+    import Notes            from '../notes/RelatedNotes.svelte';
 
 
     let items = $derived.by(loadItems);
@@ -83,4 +84,7 @@
     <div class="properties">
         <ItemProps {item} {properties} />
     </div>
+    {#if item}
+    <Notes module="stock" entity_id={item.id} />
+    {/if}
 </div>