* Rename MattermostTeam -> UniqueServer, MattermostTab -> UniqueView
* Rename 'team' to 'server'
* Some further cleanup
* Rename weirdly named function
* Rename 'tab' to 'view' in most instances
* Fix i18n
* PR feedback
* [MM-39799] - Add E2E tests for long server name
* [MM-39799] - Update test and css for max-width of tab
* [MM-39799] - Update max-width test to 400px