[feature] Switch to full-page composer if there is only one draft in a thread
[feature] Switch to full-page composer if there is only one draft in a thread

nylas/inbox-scaffold-html5,nylas/inbox-scaffold-html5,PriviPK/privipk-webapp,PriviPK/privipk-webapp,Eagles2F/inbox-scaffold-html5,PriviPK/privipk-webapp,nylas/inbox-scaffold-html5,Eagles2F/inbox-scaffold-html5,Eagles2F/inbox-scaffold-html5,PriviPK/privipk-webapp