Merge pull request #476 from bcgov/feature/GRAD2-2467

GRAD2-2467: the duplicate optional nonGradReasons issue is resolved.

api/src/main/java/ca/bc/gov/educ/api/ruleengine/rule/MainProgramCompleteRule.java

@@ -79,7 +79,7 @@ private void processMainProgramCompleteRules(List<GradRequirement> nonGradReason
 						nonGReasons = new ArrayList<>();
 
 					nonGReasons.addAll(requirementsNotMet);
-					obj.setNonGradReasonsOptionalProgram(nonGReasons);
+					obj.setNonGradReasonsOptionalProgram(nonGReasons.stream().distinct().toList());
 				}
 			}
 		}