App takes Fotos from DCIM or other Folders as Album-Cover

### Actual behaviour
Some of my Albums have a Cover-pic that is taken from y private Fotos

### Expected behaviour
The APP should NOT steal my private Fotos.
 
### Steps to reproduce
1. 
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3. 


### Environment data
Android version: 9

Device model: 
Volla Phone
Stock or customized system:
Volla OS
Music-Player app version:
1.3.4. (13)