fix crash when loading card properties

trayicon.cpp

@@ -31,7 +31,9 @@ TrayIcon::TrayIcon(QObject *parent) :
             refreshData();
         }
     });
-    connect(&this->pulse, &QPulse::GotCardInfoList, this, &TrayIcon::onGotPulseCardInfo);
+
+    // Need to use BlockingQueuedConnection to pull items off pulseaudio thread before it reallocates them
+    connect(&this->pulse, &QPulse::GotCardInfoList, this, &TrayIcon::onGotPulseCardInfo, Qt::BlockingQueuedConnection);
 
     refreshData();
 }