Hi pdfjs team,

Please find attach a really simple pdf file to reproduce the issue.
[Date.pdf](https://github.com/mozilla/pdf.js/files/8242310/Date.pdf)
This pdf contains 4 date fields, One with a default format (dd/mm/yyyy) and the 3 others with custom formats:

    -  dd
    -  mm
    -  yyyy

The expected behavior is that whenever I fill dd field with 16 for instance, then when i focus out that field the value displayed is 16 but I get 01.

This happens for dd field and mm but it's working fine for dd/mm/yyyy and yyyy fields.

The initial values of the pdf are properly displayed, this happens only if I focus one of those fields.

Thank you for your time

Best regards.

});
    it("should trigger a Keystroke event and invalidate it", async () => {
      const refId = getId();
      const data = {
        objects: {
          field: [
            {
              id: refId,
              value: "",
              actions: {
                Keystroke: [`event.rc = false;`],
              },
              type: "text",
            },
          ],
        },
        appInfo: { language: "en-US", platform: "Linux x86_64" },
        calculationOrder: [],
      };
      sandbox.createSandbox(data);
      await sandbox.dispatchEventInSandbox({
        id: refId,
        value: "hell",
        name: "Keystroke",
        willCommit: false,
        change: "o",
        selStart: 4,
        selEnd: 4,
      });
      expect(send_queue.has(refId)).toEqual(true);