Only update brightness if manual override is enabled

AdaptiveBrightness/main_window.cpp

@@ -191,8 +191,10 @@ void MainWindow::setupOverallBrightness()
         const auto newBrightness = utils::map(value, 0, 100, 0.f, 1.f);
         qDebug(ltr("Overriding overall brightness with %1").arg(newBrightness));
         for(auto& monitor: m_monitors) {
+            if(monitor.manualOverride) {
                 monitor.brightness = newBrightness;
             }
+        }
         updateCurrentMonitorGUI(m_ui.monitorDropdown->currentIndex());
     });