ldc-supportweb/app/Http/Requests/UpdateTicket.php

<?php

namespace App\Http\Requests;

class UpdateTicket extends StoreTicket
{
    public function authorize()
    {
        /** @var \App\Models\User */
        $user = auth()->user();
        if (!$user->isAdmin()) {
            $this->merge(['status' => $this->site->status->value,
            ]);
        }
        return auth()->check() and ($user->isAdmin() or
            request()->route()->ticket->created_by === auth()->user()->id);
    }
}