Fix status bar update when switching to other DB (#9073)

* Gui tests: add validation of StatusBarLabel in some tests

src/gui/MainWindow.cpp

@@ -689,6 +689,7 @@ MainWindow::MainWindow()
     statusBar()->addPermanentWidget(m_progressBar);
     connect(clipboard(), SIGNAL(updateCountdown(int, QString)), this, SLOT(updateProgressBar(int, QString)));
     m_statusBarLabel = new QLabel(statusBar());
+    m_statusBarLabel->setObjectName("statusBarLabel");
     statusBar()->addPermanentWidget(m_statusBarLabel);
 
     restoreConfigState();
@@ -1352,6 +1353,7 @@ void MainWindow::databaseTabChanged(int tabIndex)
     }
 
     m_actionMultiplexer.setCurrentObject(m_ui->tabWidget->currentDatabaseWidget());
+    updateEntryCountLabel();
 }
 
 void MainWindow::closeEvent(QCloseEvent* event)