docs: make transition global in deferred transition example (#9020)

Author: Posandu

documentation/examples/09-transitions/06-deferred-transitions/App.svelte

@@ -48,7 +48,7 @@
 
 		{#if selected}
 			{#await selected then d}
-				<div class="photo" in:receive={{ key: d.id }} out:send={{ key: d.id }}>
+				<div class="photo" in:receive|global={{ key: d.id }} out:send|global={{ key: d.id }}>
 					<!-- svelte-ignore a11y-click-events-have-key-events a11y-no-noninteractive-element-interactions -->
 					<img alt={d.alt} src="{ASSETS}/{d.id}.jpg" on:click={() => (selected = null)} />