Hide secondary sidebar by default in settings

Added 'workbench.secondarySideBar.defaultVisibility' set to 'hidden' in settings.json to ensure the secondary sidebar is hidden by default.

settings.json

@@ -205,5 +205,6 @@
   "trae.tab.enableAutoRename": true,
   "workbench.colorTheme": "Default Dark Modern",
   "workbench.iconTheme": "material-icon-theme",
-  "workbench.list.smoothScrolling": true
+  "workbench.list.smoothScrolling": true,
+  "workbench.secondarySideBar.defaultVisibility": "hidden"
 }