fix: local and calendar time alignment (#1903)

Removes assumption that local time is aligned with the calendar time. Closes #1886 (#1903)

Author: waldekmastykarz

packages/mgt-components/src/components/mgt-agenda/mgt-agenda.ts

@@ -617,15 +617,6 @@ export class MgtAgenda extends MgtTemplatedComponent {
   }
 
   private prettyPrintTimeFromDateTime(date: Date) {
-    // If a preferred time zone was sent in the Graph request
-    // times are already set correctly. Do not adjust
-    if (!this.preferredTimezone) {
-      // If no preferred time zone was specified, the times are in UTC
-      // fall back to old behavior and adjust the times to the browser's
-      // time zone
-      date.setMinutes(date.getMinutes() - date.getTimezoneOffset());
-    }
-
     let hours = date.getHours();
     const minutes = date.getMinutes();
     const ampm = hours >= 12 ? 'PM' : 'AM';