text: Title: the issue with next parameter not accessible anywhere, in the custom adapter
  Body: # 🛑 Stop
  
  The issue tracker has been moved to https://codeberg.org/allauth/django-allauth/issues.
  Please submit your issue there.
  NEXT after google/login/callback is empty or none, no proven way to target or access next_url and other url parameters in url before social login
  Dumb enough this is a persistent bug i suppose on this project, yet the long nosed creature is yet to fix it 
  Fix it 