Support summing over saldo_list in line_item, too.
Support summing over saldo_list in line_item, too.

wtag/bookyt,gaapt/bookyt,gaapt/bookyt,huerlisi/bookyt,silvermind/bookyt,xuewenfei/bookyt,xuewenfei/bookyt,wtag/bookyt,gaapt/bookyt,hauledev/bookyt,huerlisi/bookyt,xuewenfei/bookyt,hauledev/bookyt,silvermind/bookyt,hauledev/bookyt,wtag/bookyt,hauledev/bookyt,gaapt/bookyt,silvermind/bookyt,huerlisi/bookyt,silvermind/bookyt