refactor: auto advance asset viewer (#3554)

web/src/routes/(user)/share/[key]/photos/[assetId]/+page.svelte

@@ -9,9 +9,9 @@
   <AssetViewer
     asset={data.asset}
     publicSharedKey={data.key}
-    on:navigate-previous={() => null}
-    on:navigate-next={() => null}
     showNavigation={false}
+    on:previous={() => null}
+    on:next={() => null}
     on:close={() => goto(`/share/${data.key}`)}
   />
 {/if}