showSyncSnackBar function
Shows a SnackBar using the ScaffoldMessenger without requiring a BuildContext.
This function is useful for showing snack bars from anywhere in the app, even outside the widget tree.
Example:
showSyncSnackBar(SnackBar(content: Text('Hello, world!')));
Implementation
showSyncSnackBar(SnackBar snackBar) {
ScaffoldMessenger.of(Utils.navigatorKey.currentContext!)
.showSnackBar(snackBar);
}