Mark sidebar notices as side effectful code.

assets/js/blocks/cart/edit.js

@@ -28,6 +28,7 @@ import {
 	useForcedLayout,
 	BlockSettings,
 } from '../cart-checkout-shared';
+import '../cart-checkout-shared/sidebar-notices';
 import { CartBlockContext } from './context';
 
 // This is adds a class to body to signal if the selected block is locked

assets/js/blocks/checkout/edit.tsx

@@ -32,6 +32,7 @@ import {
 	BlockSettings,
 	useBlockPropsWithLocking,
 } from '../cart-checkout-shared';
+import '../cart-checkout-shared/sidebar-notices';
 import { CheckoutBlockContext, CheckoutBlockControlsContext } from './context';
 import type { Attributes } from './types';
 

package.json

@@ -21,7 +21,8 @@
 		"./assets/js/blocks/cart/inner-blocks/**/index.tsx",
 		"./assets/js/blocks/cart/inner-blocks/register-components.ts",
 		"./assets/js/blocks/mini-cart/mini-cart-contents/inner-blocks/**/index.tsx",
-		"./assets/js/blocks/mini-cart/mini-cart-contents/inner-blocks/register-components.ts"
+		"./assets/js/blocks/mini-cart/mini-cart-contents/inner-blocks/register-components.ts",
+		"./assets/js/blocks/cart-checkout-shared/sidebar-notices/index.tsx"
 	],
 	"repository": {
 		"type": "git",