LB->Employee->Date picked from calender not display in YYYY/MM/DD format according to localisation rule

Environment:LB
Browser: chrome
Login: Partner

1.Login as Partner
2.Home->Company home->Employee Home->Onboard->I-9 Form

*Scanerio 1: *
1.Observe date format it is MM/DD/YYYY
2.Pick date from calender

Actual result: It shows validation message as "Enter a valid 4 digit year between 1900 and 2100"

Scanerio 2:
1.Enter date using keyboard in YYYY/MM/DD Format

Actual result: Accept date in YYYY/MM/DD Format.No validation message shown.
*
Expected Result*: 1.Date format text display on page should be YYYY/MM/DD because according to localisation setting date format should be YYYY/MM/DD
2.date picked from calender should be accepted and should be display in YYYY/MM/DD

It working properly on Benadmin Module.
same issue occur on Onboard and Recruit module.

please refer attached screen shot