Fix CalendarItem Template error in to_ews_item
Fix CalendarItem Template error in to_ews_item

self in this state is a Template::CalendarItem Object and not a Hash.

gshutler/Viewpoint,Tsoondev/Viewpoint,Windermere/Viewpoint,albertdang/Viewpoint,Gerd82/Viewpoint,makandra/Viewpoint,WinRb/Viewpoint,Datacom/Viewpoint,Strauman/Viewpoint,bcherrington/Viewpoint,getoutreach/Viewpoint