Reproduce issues :
1.Delete minecraft and data and make sure you have a texture pack enabled.
2.Download new minecraft version.
3.Leave the app then rejoin back.
4.Then you will see moving files menu.
5.You will see the previous data is still enable.

*Observed Results : *Previous data still enable.

Expected Behaviour : Previous data should disable.

Device : PHONE,Android 10,Huawei
Model phone : DRA-LX9
(NOTE : PLEASE DO NOT TRY IT BECAUSE IT CAN DELETE YOU WORLD FOREVER AND DATA.)

Relates with MCPE-149928