[FIX]仓库 #1221：组装单上修改了组合件数量后，属性清空的bug
[FIX]仓库 #1221：组装单上修改了组合件数量后，属性清空的bug

Judystudy/gooderp_addons,Judystudy/gooderp_addons,OpenERPJeff/gooderp_addons,GoodERPJeff/gooderp_addons,luoguizhou/gooderp_addons,gilbert-yuan/gooderp_addons,Judystudy/gooderp_addons,floraXiao/gooderp_addons,floraXiao/gooderp_addons,gilbert-yuan/gooderp_addons,GoodERPJeff/gooderp_addons,luoguizhou/gooderp_addons,gilbert-yuan/gooderp_addons,floraXiao/gooderp_addons,luoguizhou/gooderp_addons,gilbert-yuan/gooderp_addons,GoodERPJeff/gooderp_addons,OpenERPJeff/gooderp_addons,OpenERPJeff/gooderp_addons