fix(@gms/gms-plugin-billexpand): 公式赋值不修改focusIndex避免公式触发问题

develop/@gms/gms-plugin-billexpand/src/formula/SetSubFieldsByBaseData.js

@@ -53,10 +53,6 @@ export default {
             }
             if (baseDataParamArrayList.length === targetSubTableFieldList.length && targetSubTableFieldList.length > 0) {
                 this.getCombBaseDataList(baseDataParamArrayList, (baseDataList) => {
-                    let newIndex = context.getSubFocus()
-                    if (oldIndex !== newIndex) {
-                        context.setSubFocus(oldIndex)
-                    }
                     focusData[sourceBaseDataField.FieldCode]._field_old_value_ = focusData[sourceBaseDataField.FieldCode].value
                     for (let i = 0; i < targetSubTableFieldList.length; i++) {
                         focusData[targetSubTableFieldList[i].FieldCode]._field_old_value_ = focusData[targetSubTableFieldList[i].FieldCode].value = baseDataList[i]