feat: Don't hide the settings tab when an instance is running

Signed-off-by: Redson <redson@riseup.net>

launcher/ui/pages/instance/InstanceSettingsPage.h

@@ -81,6 +81,7 @@ public:
     void updateThresholds();
 
 private slots:
+    void updateRunningStatus(bool running);
     void on_javaDetectBtn_clicked();
     void on_javaTestBtn_clicked();
     void on_javaBrowseBtn_clicked();