TF-2907 Disable YES/NO/MAYBE action for events when missing METHOD/ORGANIZER/ATTENDEES

lib/features/email/presentation/extensions/calendar_event_extension.dart

@@ -356,4 +356,8 @@ extension CalendarEventExtension on CalendarEvent {
     }
     return [];
   }
+
+  bool get isDisplayedEventReplyAction => method != null
+    && organizer != null
+    && participants?.isNotEmpty == true;
 }

lib/features/email/presentation/widgets/calendar_event/calendar_event_detail_widget.dart

@@ -101,6 +101,7 @@ class CalendarEventDetailWidget extends StatelessWidget {
                 organizer: calendarEvent.organizer!,
               ),
             ),
+          if (calendarEvent.isDisplayedEventReplyAction)
             CalendarEventActionButtonWidget(
               onCalendarEventReplyActionClick: onCalendarEventReplyActionClick,
               calendarEventReplying: calendarEventReplying,

lib/features/email/presentation/widgets/calendar_event/calendar_event_information_widget.dart

@@ -120,6 +120,7 @@ class CalendarEventInformationWidget extends StatelessWidget {
                           organizer: calendarEvent.organizer!,
                         ),
                       ),
+                    if (calendarEvent.isDisplayedEventReplyAction)
                       CalendarEventActionButtonWidget(
                         margin: EdgeInsetsDirectional.zero,
                         onCalendarEventReplyActionClick: onCalendarEventReplyActionClick,
@@ -195,6 +196,7 @@ class CalendarEventInformationWidget extends StatelessWidget {
                           organizer: calendarEvent.organizer!,
                         ),
                       ),
+                    if (calendarEvent.isDisplayedEventReplyAction)
                       CalendarEventActionButtonWidget(
                         margin: EdgeInsetsDirectional.zero,
                         onCalendarEventReplyActionClick: onCalendarEventReplyActionClick,