Whoops, the preferences variable name was wrong in the defaults list. (…

…#43494)

There were no repercussions because it was off by default, but let's make things consistent.

packages/edit-site/src/index.js

@@ -65,7 +65,7 @@ export function reinitializeEditor( target, settings ) {
 			keepCaretInsideBlock: false,
 			welcomeGuide: true,
 			welcomeGuideStyles: true,
-			shouldListViewOpenByDefault: false,
+			showListViewByDefault: false,
 		} );
 
 		// Check if the block list view should be open by default.