Fixed initial value of user refresh time for customers.
Fixed initial value of user refresh time for customers.

mburggraf/otrs,brandonshults01/otrs,s7design/otrs,muehlbauer/otrs,crythias/otrs,nilei/otrs,xhoy/otrs,mburggraf/otrs,s7design/otrs,thorsteneckel/otrs,mburggraf/otrs,eliasp/otrs,xhoy/otrs,nilei/otrs,muehlbauer/otrs,xhoy/otrs,eliasp/otrs,thorsteneckel/otrs,xhoy/otrs,rudy500/otrs,brandonshults01/otrs,crythias/otrs,MBRG/otrs,MBRG/otrs,rudy500/otrs,mburggraf/otrs,rudy500/otrs,crythias/otrs,rudy500/otrs,mburggraf/otrs,nilei/otrs,eliasp/otrs,MBRG/otrs,nilei/otrs,crythias/otrs,s7design/otrs,MBRG/otrs,thorsteneckel/otrs,MBRG/otrs,muehlbauer/otrs,eliasp/otrs,brandonshults01/otrs,muehlbauer/otrs,thorsteneckel/otrs,s7design/otrs,xhoy/otrs,muehlbauer/otrs,brandonshults01/otrs,eliasp/otrs,rudy500/otrs,crythias/otrs,brandonshults01/otrs,s7design/otrs,thorsteneckel/otrs,nilei/otrs