Notifications: no distinction between follow / unfollow and mute/unmute

When alice mutes bob, bob is notified: @alice followed you which is not true.

Example: https://hiveblocks.com/tx/c12eab02c468a386be6c25692bac3eb6743c792e

Please note that there might be multiple different scenarios, i.e. follow, unfollow, mute, unmute, etc.