When signed in, game crashes if entered without Internet

According to MCPE-18256, this has been fixed a long time ago, but see the attached clip.
Steps to Reproduce
1. Make sure you are signed in.
2. Turn off Wi-fi and/or mobile data.
3. Enter Minecraft.
Expected Results
You enter Minecraft signed out.
Observed Results
The game crashes as soon as the loading bar reaches a certain point (see clip).