Don't show the model for apikey (#3607)

codex-rs/tui/src/app_backtrack.rs

@@ -335,6 +335,7 @@ impl App {
             initial_prompt: None,
             initial_images: Vec::new(),
             enhanced_keys_supported: self.enhanced_keys_supported,
+            auth_manager: self.auth_manager.clone(),
         };
         self.chat_widget =
             crate::chatwidget::ChatWidget::new_from_existing(init, conv, session_configured);