This PR ensures that only conversations from quick conversation channels
are resolved, avoiding resolutions on the email channel (we still need
to improve the UX here). It also updates the FAQ generation logic,
limiting it to conversations that had at least one human interaction.
* Refactor: Inbox store, remove inboxes from sidebar
* Add a new page for inbox settings
* Show inboxes on sidebar
* Add inbox_members API
* Disable similar-code check
* Fix codeclimate scss issues
* Add widget_color update API and actions
* Add specs for inbox store
* Fix Facebook auth flow
* Fix agent loading, inbox name
* Add Conversation factory with dependent factories
* Include FactoryBot methods in rspec config
* Add unit tests for public methods of Conversation model
* Move Current model into a separate file in lib folder
* Disable Metrics/BlockLength rule for db/migrate and spec folders
* Get rid of global $dispatcher variable
* Create Message#unread_since scope
* Refactor callback methods in Conversation model
* Create Conversations::EventDataPresenter
* Add translation keys for activity messages
* Add pry-rails gem
* Refactor Conversation#notify_status_change
* Add mock_redis for test env
