Update to FDT veto check on Payment Handling Priority Rules

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Symptom
During ByD upgrade from SP11 to FP20, there were deployment errors
reporting that the priority assigned for payment procedures should not be repeated.
Other terms
Payment Procedure Priority
Reason and Prerequisites
It was noticed that, even though the priority was not repeated for payment procedures across different companies, the error was still raised.
Solution
This error was fixed programatically such that [...]