Fix subscription purchasing callback URL: support staging com url
What does this MR do and why?
新版购买流程前端逻辑, Subscription回调地址修改。 之前都是用的com_url, 但这不利于测试。 现在改用 Gitlab.config.gitlab.url
Screenshots or screen recordings
MR acceptance checklist
This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.
-
I have evaluated the MR acceptance checklist for this MR.