Extract images/icons missing files

[liujunhao]

hi pearlxcore, if you load several pkg files with ps4-pkg-tool, use extract images/icons, it will missing some files. For example: i extract images/icons for diable 3, diable 3 upd, diable 3 dlc，three pkg files, i got only two images/icons folders, it contains diable 3 upd, diable 3 dlc. diable 3 icon is missing. could you help to check and update, thanks a lot!