You can open the social drawer in the new player flow.
How to reproduce:
Go to the XBOX app and sign into an account that has not played Minecraft yet
Launch Minecraft
On the accessibility options screen, press F4
Observe the social drawer opening
Repeat steps 3-4 on each and every single new player flow screen (do NOT click the more options button)
Thank you for helping us improve Minecraft! We saved your files: