[Form] Fix DateType for 32bits computers.

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #5227,#5554
| License       | MIT
| Doc PR        | -


Fix an issue due to 32bits machines, date can be only between 1902-2037.
Simply not add date if false.