feat(InstancePages): save/load wide bar visibility settings

Signed-off-by: flow <flowlnlnln@gmail.com>

launcher/ui/pages/instance/VersionPage.h

@@ -69,6 +69,9 @@ public:
     virtual bool shouldDisplay() const override;
     void retranslate() override;
 
+    void openedImpl() override;
+    void closedImpl() override;
+
 private slots:
     void on_actionChange_version_triggered();
     void on_actionInstall_Forge_triggered();
@@ -114,6 +117,8 @@ private:
     int currentIdx = 0;
     bool controlsEnabled = false;
 
+    std::shared_ptr<Setting> m_wide_bar_setting = nullptr;
+
 public slots:
     void versionCurrent(const QModelIndex &current, const QModelIndex &previous);