notifications: avoid unnecessary account and conversation check

- notifications were not shown when last notification received was from the same account and conversation

Gitlab: #142

Change-Id: I7d66199384c2af72b7668bd07d85be0c6bebb3e9

src/globalsystemtray.h

@@ -34,9 +34,6 @@ public:
         return *instance_;
     }
 
-    inline static QString notificationAccountId {};
-    inline static QString notificationConvUid {};
-
     template<typename Func>
     static void connectClicked(Func&& onClicked)
     {

src/utils.cpp

@@ -297,18 +297,8 @@ Utils::showNotification(const QString& message,
         return;
     }
 
-    if (accountId == GlobalSystemTray::notificationAccountId
-        && convUid == GlobalSystemTray::notificationConvUid) {
-        GlobalSystemTray::notificationAccountId.clear();
-        GlobalSystemTray::notificationConvUid.clear();
-        return;
-    }
-
     GlobalSystemTray::connectClicked(std::move(onClicked));
 
-    GlobalSystemTray::notificationAccountId = accountId;
-    GlobalSystemTray::notificationConvUid = convUid;
-
     if (from.isEmpty())
         GlobalSystemTray::instance().showMessage(message, "", QIcon(":images/jami.png"));
     else