[8.x] Cast linkCollection to array (#34245)

Author: iamgergo

src/Illuminate/Pagination/LengthAwarePaginator.php

@@ -198,7 +198,7 @@ public function toArray()
             'from' => $this->firstItem(),
             'last_page' => $this->lastPage(),
             'last_page_url' => $this->url($this->lastPage()),
-            'links' => $this->linkCollection(),
+            'links' => $this->linkCollection()->toArray(),
             'next_page_url' => $this->nextPageUrl(),
             'path' => $this->path(),
             'per_page' => $this->perPage(),