fixed ConfigSubGroupConfigItemList(), just show each config element one time
fixed ConfigSubGroupConfigItemList(), just show each config element one time

crythias/otrs,capeit-tto/otrs,balazj/otrs,rudy500/otrs,s7design/otrs,StCyr/otrs,oiami/otrs,oiami/otrs,eliasp/otrs,eliasp/otrs,brandonshults01/otrs,noritnk/otrs,PortgasDAce/otrs,eliasp/otrs,PortgasDAce/otrs,mbeijen/otrs-1,mburggraf/otrs,balazj/otrs,xhoy/otrs,s7design/otrs,crythias/otrs,brandonshults01/otrs,crythias/otrs,moritz/otrs,muehlbauer/otrs,rudy500/otrs,linearregression/otrs,rudy500/otrs,capeit-tto/otrs,linearregression/otrs,xhoy/otrs,thorsteneckel/otrs,oiami/otrs,StCyr/otrs,muehlbauer/otrs,oiami/otrs,thorsteneckel/otrs,linearregression/otrs,xhoy/otrs,StCyr/otrs,vlascoder/otrs,mburggraf/otrs,nilei/otrs,balazj/otrs,s7design/otrs,brandonshults01/otrs,balazj/otrs,crythias/otrs,vlascoder/otrs,mburggraf/otrs,rudy500/otrs,moritz/otrs,moritz/otrs,eliasp/otrs,capeit-tto/otrs,xhoy/otrs,mburggraf/otrs,muehlbauer/otrs,mbeijen/otrs-1,nilei/otrs,eliasp/otrs,moritz/otrs,moritz/otrs,thorsteneckel/otrs,nilei/otrs,crythias/otrs,mburggraf/otrs,StCyr/otrs,xhoy/otrs,nilei/otrs,oiami/otrs,thorsteneckel/otrs,MBRG/otrs,balazj/otrs,MBRG/otrs,muehlbauer/otrs,linearregression/otrs,PortgasDAce/otrs,vlascoder/otrs,muehlbauer/otrs,brandonshults01/otrs,MBRG/otrs,StCyr/otrs,MBRG/otrs,linearregression/otrs,brandonshults01/otrs,PortgasDAce/otrs,rudy500/otrs,PortgasDAce/otrs,s7design/otrs,mbeijen/otrs-1,MBRG/otrs,noritnk/otrs,thorsteneckel/otrs,s7design/otrs,nilei/otrs,noritnk/otrs