Restore sidebar in focus mode on Pattern click through in Browse Mode Library (#51897)

Brings back #51492

Author: getdave

packages/edit-site/src/components/page-library/grid-item.js

@@ -46,7 +46,7 @@ export default function GridItem( { categoryId, composite, icon, item } ) {
 		postId: item.type === USER_PATTERNS ? item.id : item.name,
 		categoryId,
 		categoryType: item.type,
-		canvas: 'edit',
+		canvas: 'view',
 	} );
 
 	const onKeyDown = ( event ) => {