Merge pull request #6903 from spycrab/qt_toolbar

Qt/ToolBar: Fix checkbox not properly reflecting toolbar visibility

Source/Core/DolphinQt2/ToolBar.cpp

@@ -40,6 +40,7 @@ ToolBar::ToolBar(QWidget* parent) : QToolBar(parent)
   connect(&Settings::Instance(), &Settings::DebugModeToggled, this, &ToolBar::OnDebugModeToggled);
 
   connect(&Settings::Instance(), &Settings::ToolBarVisibilityChanged, this, &ToolBar::setVisible);
+  connect(this, &ToolBar::visibilityChanged, &Settings::Instance(), &Settings::SetToolBarVisible);
 
   connect(&Settings::Instance(), &Settings::WidgetLockChanged, this,
           [this](bool locked) { setMovable(!locked); });