beta 3.1.0 rc4 folder selection onboarding adds default internal folders even if specifically removed

beta 3.1.0 rc4 folder selection onboarding adds default internal folders even if specifically removed

1. during onboarding folder selection remove internal and external.
2. go in to external and pick folders.
3. back up and see internal is reselected.
4. unmark internal again.
5. finish from there.
6. check settings menu to see has added default internal folders anyway.

using S5 klte running LOS 8.1 Oreo 20190225 with OpenGapps