TH-121015: fix the datetime formate is still utc when adding new owner

Server/SchoolBusAPI/Services/SchoolBusOwnerService.cs

@@ -532,6 +532,7 @@ public virtual IActionResult SchoolbusownersPostAsync(SchoolBusOwner body)
         {
             AdjustSchoolBusOwner(body);
             body.DateCreated = DateTime.UtcNow;
+            body.DateCreated = DateTime.SpecifyKind(body.DateCreated, DateTimeKind.Unspecified);
             _context.SchoolBusOwners.Add(body);
             _context.SaveChanges();
             return new ObjectResult(body);