Fix Total/Paid/Unpaid values on EventProcedures to not be changed when the request changes the page.

[mattfeg]

• Context
  On Report of EventProcedures, the Total/Paid/Unpaid values are been changed to zero when the request changes the page.
  Ex: On the first page, the Total/Paid/Unpaid values works well, but on the second, they got zero value instead of their correctly values.