protected function prepareRequestToBeCopied(Request $request)
    {
        $remove = [];
        if ($request->method() === 'POST' && $request->input('next_action') === 'save_and_create') {
            if (! $this->copyAfterSave) {
                $remove[] = $this->relationName;
            }
            $this->makeCopyOfRelations($request);
        }

        return $request->replace($request->except($remove));
    }