conference: hold call

Use conference id to hold conference when other call became current

Change-Id: I3846661c73c936ed0a49777761900e08f6139ab9

src/newcallmodel.cpp

@@ -590,8 +590,6 @@ NewCallModelPimpl::setCurrentCall(const std::string& callId)
     // to a current conference
     if (it != pendingConferences_.end()) return;
     std::vector<std::string> filterCalls;
-    if (dontHoldConferences_) {
-        // Do not hold calls in a conference
     QStringList conferences = CallManager::instance().getConferenceList();
     for (const auto& confId : conferences) {
         QStringList callList = CallManager::instance().getParticipantList(confId);
@@ -599,13 +597,18 @@ NewCallModelPimpl::setCurrentCall(const std::string& callId)
             filterCalls.emplace_back(callId.toStdString());
         }
     }
-    }
     for (const auto& cid : Lrc::activeCalls()) {
         auto filtered = std::find(filterCalls.begin(), filterCalls.end(), cid) != filterCalls.end();
         if (cid != callId && !filtered) {
             CallManager::instance().hold(cid.c_str());
         }
     }
+    if (dontHoldConferences_) {
+        return;
+    }
+    for (const auto& confId : conferences) {
+        CallManager::instance().holdConference(confId);
+    }
 }
 
 void