Fix an exception occuring in the smarsh connector when a user didn't have an email, adds a setting to configure the default email for missing emails

Fix the generateEml throwing an error when the message type isn't defined and fix a conflict of the saveSetting.coffee being added back in when it was removed

* Remove double error trhow

* Fix channel name changed

* Fix not sending notifications for old messages

* Add option to silence adding users to room

* Silence adding existing users to room

* Add try/catch in set avatar to prevent timeout issues

* Save topic message in correct date/time

* Add logs

* add checks in the methods for checking if the data received in the parameters are in their correct type

* Put the checks in the start of the method and fixed some indentation

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Remove the "Click to open grain" text and make the title look like a
link.

Manual push by LingoHub User: Gabriel Engel.
Project: Rocket.Chat

Made with  by https://lingohub.com

This will send emails the configured email address with a table of all messages from all the different rooms, including direct messages.Each room will be a different email sent.
Files uploaded will be attached to the email IF and ONLY IF the uploads are to the database or the file system.

Initial work on getting the smarsh connector wired up. livechat package disabled for now, will enable it again (disabled for build speed)

* Fix scoped permission verification when no scope passed

* Refactor room settings

* Add room setting to require code to join

* Add role to disable/enable channel preview

* Add message to inform user