chatviewheader: show description with title

For multiple swarms, the description will be shown from the profile,
for core dialogs, the best Id is used.

Change-Id: Ieb7d5f143c1a85c4c629a5a8a03850fa1ebddf63

src/app/conversationsadapter.cpp

@@ -430,6 +430,7 @@ ConversationsAdapter::getConvInfoMap(const QString& convId)
     return {{"convId", convId},
             {"bestId", bestId},
             {"title", lrcInstance_->getCurrentConversationModel()->title(convId)},
+            {"description", lrcInstance_->getCurrentConversationModel()->description(convId)},
             {"uri", peerUri},
             {"uris", accountInfo.conversationModel->peersForConversation(convId)},
             {"isSwarm", convInfo.isSwarm()},

src/app/mainview/MainView.qml

@@ -182,6 +182,7 @@ Rectangle {
         if (item.convId === undefined)
             return
         chatView.headerUserAliasLabelText = item.title
+        chatView.headerUserUserNameLabelText = item.description
         if (item.callStackViewShouldShow) {
             if (inSettingsView) {
                 toggleSettingsView()

src/app/mainview/components/ChatView.qml

@@ -33,6 +33,7 @@ Rectangle {
     id: root
 
     property string headerUserAliasLabelText: ""
+    property string headerUserUserNameLabelText: ""
 
     property bool allMessagesLoaded
 
@@ -63,6 +64,7 @@ Rectangle {
             Layout.minimumWidth: JamiTheme.chatViewHeaderMinimumWidth
 
             userAliasLabelText: headerUserAliasLabelText
+            userUserNameLabelText: headerUserUserNameLabelText
 
             DropArea {
                 anchors.fill: parent

src/libclient/conversationmodel.cpp

@@ -1082,10 +1082,15 @@ QString
 ConversationModel::description(const QString& conversationId) const
 {
     auto conversationOpt = getConversationForUid(conversationId);
-    if (!conversationOpt.has_value()) {
+    if (!conversationOpt.has_value())
         return {};
-    }
     auto& conversation = conversationOpt->get();
+    if (conversation.isCoreDialog()) {
+        auto peer = pimpl_->peersForConversation(conversation);
+        if (peer.isEmpty())
+            return {};
+        return owner.contactModel->bestIdForContact(peer.front());
+    }
     return conversation.infos["description"];
 }