Allow Vuu user to define whether to show all or show none on a visual linked child table when no parent selection

[keikeicheung]

Example:
Parent Order table is visual linked to Child order table with Parent Order Ids (on Child order table)
When no Parent order is selected, by default it shows all child order
It should have a flag on the visual link for Vuu user to define the behaviour of the visual link when parent order is not selected