Reaction messages only notify author of target message. This is done by fetching the target message info and checking if the `creatorID` of the target message is the same as the `userID` of the user recieving the notif
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Linear Task: [[ https://linear.app/comm/issue/ENG-2616/only-notify-the-author-of-a-target-message-of-a-new-reaction-message | ENG-2616 ]]