* Use a slightly faster call for user_id
* Remove unused file
* Test receive notifications functionality
* Notify when receive_notifications is true
* Test receiving reaction notifications
* Do not notify if receive_notifications is false
* Fix test for parent comment notification
* Add article mute notifications feature
* Remove deprecated specs
* Prevent email when receive_notification is false
* Update button messaging
* Use RESTful /article_mutes patch request
* Use parent or root article instead
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