fix: reverse summoner icon sorting

when you check out the icons, most of the time you probably are looking for recent ones not ones from 2009.

app/Http/Controllers/SummonerIconController.php

@@ -13,7 +13,7 @@ class SummonerIconController extends Controller
     {
         $icons = QueryBuilder::for(SummonerIcon::class)
             ->allowedFilters('title')
-            ->defaultSort('icon_id')
+            ->defaultSort('-icon_id')
             ->paginate(72)
             ->appends(request()->query());