Update users & locations to use new permissions format

app/Http/Requests/API/Admin/Locations/GetLocationRequest.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Pterodactyl\Http\Controllers\API\Admin\Locations;
+
+use Pterodactyl\Models\Location;
+use Pterodactyl\Http\Requests\API\Admin\Locations\GetLocationsRequest;
+
+class GetLocationRequest extends GetLocationsRequest
+{
+    /**
+     * Determine if the requested location exists on the Panel.
+     *
+     * @return bool
+     */
+    public function resourceExists(): bool
+    {
+        $location = $this->route()->parameter('location');
+
+        return $location instanceof Location && $location->exists;
+    }
+}