* [MM-37984] Allow Desktop App to authenticate via external providers outside of the app on supported servers
* PR feedback
* Add support for mattermost-dev protocol for development use
* Update server/channels/db/migrations/postgres/000110_create_desktop_tokens.up.sql
* Fix silly typo
* Update server/channels/db/migrations/postgres/000110_create_desktop_tokens.up.sql
* Remove storage of client token, only validate it on the client
* Update migrations
* Add concurrently create index
* Remove CONCURRENTLY for now
* Fix issue with changing history
* Remove old migration
* Use idempotent statement to drop old index
* Remove reference to old table
* WIP
* Add rate limiting for desktop token API
* Missing mocks
* Style fixes
* Update snapshots
* Maybe use an actual redirect link :P
* Refactoring for tests
* Add tests for server
* Fix lint issue
* Fix tests
* Fix lint
* Add front-end screen component
* Component logic
* Style changes
* Quick style fix
* Lint fixes
* Initial PR feedback
* Enable logging into the browser as well when completing the login process
* Refactor to push more logic to the other component
* Remove unnecessary helper code
* Fix i18n
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Co-authored-by: Mattermost Build <build@mattermost.com>
