Add check that SOCIALACCOUNT_PROVIDERS don't use kobo as ID

[JacquelineMorrissette]

Checklist

1. If you've added code that should be tested, add tests
2. If you've changed APIs, update (or create!) the documentation
3. Ensure the tests pass
4. Make sure that your code lints and that you've followed our coding style
5. Write a title and, if necessary, a description of your work suitable for publishing in our release notes
6. Mention any related issues in this repository (as #ISSUE) and in other repositories (as kobotoolbox/other#ISSUE)
7. Open an issue in the docs if there are UI/UX changes

Notes

Using kobo as the social app provider ID causes a conflicting view named kobo-login to be created which causes issues with translation, account login and SSO.
xref: https://chat.kobotoolbox.org/#narrow/stream/4-Kobo-Dev/topic/Language.20selector.20redirects.20to.20SSO.20Login/near/275179