ContractTypeEnum: fix value as front

MTWorkHR.Core/Global/Enum/ContractTypeEnum.cs

@@ -10,7 +10,7 @@ namespace MTWorkHR.Core.Global
     {
         EmployeeContract = 1,
         FixedPayContract = 2,
-        PerProjectContract = 3,
+        PerTaskContract = 3,
-        PerTaskContract = 4,
+        PerProjectContract = 4,
     }
 }