Calendar updates (#2264)
* Update styling of Calendar
* Improve RangeCalendar behavior on touch devices
* Support for displaying multiple months in Calendar
* Fast path for date/time conversion
* Optimize performance of mergeProps
* Refactor to handle different visible duration and align selection
* Add tests for different visible durations
* Improve Japanese era handling
* Fix test
* Fix parsing in docs transformer
* Remove eslint suppressions
