* Check a team's AllowedDomains setting before adding users to the team.
* Updated AddUser tests to validate AllowedDomains restriction.
* Updated variable name to match convention.
* Removed AllowedDomains from team sanitization.
* Update AppError's Where to match the calling function.
* Added tests for user matching allowedDomains, and multi domain values of allowedDomains.
* Added test to make sure we block users who have a subdomain of a whitelisted domain.
* Revert "Removed AllowedDomains from team sanitization."
This reverts commit 17c2afea584da40c7d769787ae86408e9700510c.
* Update sanitization tests to include dockerhost, now that we enforce AllowedDomains.
* Added tests to verify the interplay between the global and per team domain restrictions.
* Validate AllowedDomains property against RestrictCreationToDomains before updating a team.
* Remove team.AllowedDomains from sanitization.
* Add i18n string for the team allowed domains restriction app error.