Configuring preferences and options in Outlook.com
If everyone on this post can please use the feedback option in Outlook.com (click the "?" at the top right and in the window that opens click the small "Feedback" link at the bottom) to send feedback to Microsoft on this - as with anything the more noise from people the more chance of action.
Their own info in the settings for Quick Actions still says that they appear after both the sender name and the subject line