陀螺匠V1.3版本审批文字组件报错问题修复

修改文件：app/Http/Service/Approve/ApproveApplyService.php文件268-280行

修改内容：
foreach ($forms as $v) {
    if (isset($v['content']['children'])) {
        foreach ($v['content']['children'] as $value) {
            if (is_string($value)){
                $v['value']  = $form[$v['uniqued']];
                $v['symbol'] = $v['content']['symbol'] ?? '';
            }else{
                $v['value']   = $form[$value['field']];
                $v['types']   = $value['type'];
                $v['uniqued'] = $value['field'];
                $v['symbol']  = $value['symbol'] ?? '';
                $v['content'] = $value;
            }
            $saveForm[] = $v;
        }
    } else {
        $v['value']  = $form[$v['uniqued']];
        $v['symbol'] = $v['content']['symbol'] ?? '';
        $saveForm[]  = $v;
    }
}