عنوان URL أساسي خاطئ في مستوى إشعارات الموضوع (تتبع)

[j.jaffeux (Joffrey Jaffeux)]

I created two PRs related to this codepath:

FIX: missing / after basePath was causing the URL to be relative

FIX: NotificationLevels import was incorrect

Should fix it once merged. Thanks for report.