Expose originalRecipients property for compose/reply scenarios (opens in new tab)

ContextWhen a user clicks on "reply" or "reply all" in Outlook, add-ins should be able to retrieve the original recipients (To, CC, BCC) of the mail item as they were set when the reply or reply all action was initiated, regardless of any user edits to the recipient list afterwards. Currently, office-js returns an updated recipient array if the user quickly changes the recipients after clicking "reply" or "reply all". As a result, there is no way for an add-in to determine what the original r...