Hide Apply or Unapply Prepayments button from Actions menu in Manage Invoices screen

Summary:

I am trying to make a validation on the manage invoices screen: Payables > Manage Invoices when selecting to hide the Apply or Unapply Prepayments button from Actions menu when selecting a specific invoice based on the value of the Validation Status column.

I am using the page composer tool and I am entering the expression #{row.ValidationStatus == 'Validated'? true : false} in the property (Show Component) but its not working it always return false,and the value of the expression #{row.ValidationStatus} always returns null.

Version (include the version you are using, if applicable):

Oracle fusion 11.13.23.01.0