Make Date Pickers Locale-Aware

Purpose: Modify date pickers so that the expected input format matches the display format determined by selected locale

Scenarios

1. Scenario
   • Given the selected locale maps to date format A (for example, MM/DD/YYYY)
   • When the ghost text in a date field is displayed
   • Then, the ghost text should display in format A (in this case, as MM/DD/YYYY)
2. Scenario
   • Given the selected locale maps to date format A
   • When the selected date is displayed in a date field
   • Then, it should display as format A
3. Scenario
   • Given the selected locale maps to date format A
   • When a date is manually entered into a date field
   • Then, it should be assume the date is entered in format A and processed accordingly (for save and validation, for example)