[FIX] point_of_sale: call the configureGui before calling start

The chrome.comp.start() call also involves iot device loading
which is dependent on Gui to show error when there is any.
In this fix, we call configureGui when the Chrome instance is
available and before calling start.

Part-of: odoo/odoo#73725

addons/point_of_sale/static/src/js/chrome_adapter.js

@@ -33,9 +33,9 @@ export class ChromeAdapter extends Component {
             // Little trick to avoid displaying the block ui during the POS models loading
             const BlockUiFromRegistry = registry.category("main_components").get("BlockUI");
             registry.category("main_components").remove("BlockUI");
+            configureGui({ component: chrome.comp });
             await chrome.comp.start();
             registry.category("main_components").add("BlockUI", BlockUiFromRegistry);
-            configureGui({ component: chrome.comp });
             setupResponsivePlugin(this.env);
         });
     }