fix: cannot receive ActiveChanged signal when os was restarted

When the Active of login1 is changed to false,
it will not cause the ActiveChanged signal to send
because it is the same as the default value.
This is a DTK bug and the default value is not initialized.

Log: as title
Pms: BUG-321333

Author: yixinshark

src/dde-session/impl/sessionmanager.cpp

@@ -110,6 +110,14 @@ SessionManager::~SessionManager()
 
 void SessionManager::initConnections()
 {
+    // TODO: When the Active of login1 is changed to false,
+    // it will not cause the ActiveChanged signal to send
+    // because it is the same as the default value.
+    // This is a DTK bug and the default value is not initialized.
+    // Manually calling this interface will change the default default.
+    const bool active = m_login1SessionInter->active();
+    Q_UNUSED(active)
+
     connect(m_login1SessionInter, &org::freedesktop::login1::Session::ActiveChanged, [=](bool active) {
         qDebug() << "session active status changed to:" << active;
         if (active) {