fix(a11y): add iOS VoiceOver support to picker and Done button#22

inimaga merged 2 commits intoExpensify:masterExpensify/react-native-picker-select:masterfrom

TaduJR:fix/ios-voiceover-picker-accessibilityTaduJR/react-native-picker-select-expensify:fix/ios-voiceover-picker-accessibilityCopy head branch name to clipboard