fix report dropdown

src/app/website/report/AdversarySearch.svelte

@@ -13,7 +13,7 @@
   const { adversary }: Props = $props();
 
   // states
-  let reportTarget = $state<'player' | 'unknown'>('unknown');
+  let reportTarget = $state<'player' | 'unknown'>(adversary ? 'player' : 'unknown');
   let adversaryUsername = $state(adversary);
 
   // lifecycle