StatusBar proper update

mainwindow.cpp

@@ -36,7 +36,6 @@ MainWindow::~MainWindow() {
 }
 
 void MainWindow::on_buttonCerca_clicked() {
-    status(Ui::INFO, "Message placeholder");
     if (!db.open()) connectDatabase();
 
     query.prepare("SELECT id, nome, cognome FROM socio WHERE cognome LIKE :cognome");

status.cpp

@@ -43,6 +43,7 @@ namespace Ui {
         /* show message in GUI */
         if (statusBar != nullptr) {
             statusBar->showMessage(message, timeout);
+            statusBar->repaint();
         }
     }