Create custom DatePicker component and remove react-dates

[Gnito]

Translation changes

  "DatePicker.clearButton": "Clear value",
  "DatePicker.screenreader.blockedDate": "{date} is not available",
  "DatePicker.screenreader.chooseDate": "Choose {date}",
  "DatePicker.screenreader.chooseEndDate": "Choose {date} as the end date",
  "DatePicker.screenreader.chooseStartDate": "Choose {date} as the start date",
  "DatePicker.screenreader.nextMonthButton": "Next month",
  "DatePicker.screenreader.previousMonthButton": "Previous month",
  "DatePicker.screenreader.selectedDate": "{date} is selected",
  "DatePicker.screenreader.selectedEndDate": "{date} is selected as the end date",
  "DatePicker.screenreader.selectedStartDate": "{date} is selected as the start date",
  "DatePicker.todayButton": "Show today",

Note:

• The clearButton and todayButton are not used by default.
• DatePicker.screenreader.* are for screenreaders through aria-label attribute (accessibility feature).
  • These strings should be short (as they are spoken by voice over)
  • The "date" argument is localized date string with date formatting options: { day: 'numeric', month: 'long' } (e.g. "October 9")