Make status bar prefix compact items a bit more compact (#7153)
Make status bar prefix compact items a bit more compact (#7153)

For battery level, show icon only
Reduce separator between items to " " from "  "
poire-z/koreader,pazos/koreader,NiLuJe/koreader,koreader/koreader,koreader/koreader,poire-z/koreader,Frenzie/koreader,mwoz123/koreader,NiLuJe/koreader,Hzj-jie/koreader,Frenzie/koreader