Update Mini-Cart block logic to use isSiteEditorPage util

assets/js/blocks/mini-cart/edit.tsx

@@ -14,7 +14,9 @@ import {
 import { getSetting } from '@woocommerce/settings';
 import { __ } from '@wordpress/i18n';
 import Noninteractive from '@woocommerce/base-components/noninteractive';
+import { isSiteEditorPage } from '@woocommerce/utils';
 import type { ReactElement } from 'react';
+import { select } from '@wordpress/data';
 
 /**
  * Internal dependencies
@@ -33,18 +35,14 @@ interface Props {
 	setAttributes: ( attributes: Record< string, unknown > ) => void;
 }
 
-const Edit = ( {
-	attributes,
-	setAttributes,
-	context: { postType, postId },
-}: Props ): ReactElement => {
+const Edit = ( { attributes, setAttributes }: Props ): ReactElement => {
 	const { addToCartBehaviour, hasHiddenPrice, cartAndCheckoutRenderStyle } =
 		attributes;
 	const blockProps = useBlockProps( {
 		className: `wc-block-mini-cart`,
 	} );
 
-	const isSiteEditor = postType === undefined || postId === undefined;
+	const isSiteEditor = isSiteEditorPage( select( 'core/edit-site' ) );
 
 	const templatePartEditUri = getSetting(
 		'templatePartEditUri',

assets/js/blocks/mini-cart/index.tsx

@@ -48,7 +48,6 @@ const settings: BlockConfiguration = {
 			className: 'wc-block-mini-cart--preview',
 		},
 	},
-	usesContext: [ 'postId', 'postType' ],
 	attributes: {
 		isPreview: {
 			type: 'boolean',