[LPS-35271] Design / UI Improvements for new Calendar - Liferay Issues

Details

1.	Add "add event" button for new Calendar	Closed	Sharon Choi
2.	Fix scrolling of Calendar on page refresh	Closed	SE Support
3.	Add a hour format when the hour is rounded	Closed	SE Support
4.	Use "pm" suffix instead of "p" for events	Closed	Sharon Choi
5.	Remove email combo for notifications	Closed	Sharon Choi
6.	Remove close button from event popover toolbar and use a icon on top right	Closed	Sharon Choi
7.	Add "Create event" menu option on calendar actions	Closed	Sharon Choi
8.	Differentiate between past and future events	Closed	Sharon Choi
9.	Consolidate date mask	Closed	SE Support