TextRecording: add ContactMethod to data Roles

This way its easy to get the CM from the QModelIndex.

Change-Id: Ia05874e4b34585a5decd2813b49cbc3fa4ad8359
Tuleap: #268

src/media/textrecording.cpp

@@ -678,6 +678,8 @@ QVariant InstantMessagingModel::data( const QModelIndex& idx, int role) const
             return QVariant(n->m_pMessage->m_HTML);
          case (int)Media::TextRecording::Role::HasText              :
             return n->m_pMessage->m_HasText;
+         case (int)Media::TextRecording::Role::ContactMethod        :
+            return QVariant::fromValue(n->m_pContactMethod);
          default:
             break;
       }

src/media/textrecording.h

@@ -60,6 +60,7 @@ public:
       IsStatus             ,
       HTML                 ,
       HasText              ,
+      ContactMethod        ,
    };
 
    //Constructor