Ripple Form Component Datepicker does not meet WCAG 2.0 Level AA: Acceptable compliance

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Describe the bug Ripple's From component Datepicker does not meet WCAG 2.0 Level AA: Acceptable compliance:

1. Not keyboard accessible
2. No action on keys: Enter, Space

To Reproduce Steps to reproduce the behaviour:

1. Navigate trough Date picker using keyboard only
2. use keyboard to select a date

Expected behaviour 1.The user should be able to select the date using only the keyboard.

Actual behaviour

1. No dates are selected when pressing the Enter or Space keys.

Screenshots If applicable, add screenshots to help explain your problem.

Versions

• Ripple: All

Desktop (please complete the following information):

• OS: Windows 10
• Browser: Chrome, Firefox
• Version 111

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context Add any other context about the problem here.