Fix Block Controls behavior for List Block. (#17876)

When toggling between Bulleted List and Numbered List, the Block Controls for List block disappears. You have to click inside the block to get them back. Ideally, the Block Controls should always be present, if the block is selected.

packages/block-library/src/list/edit.js

@@ -35,12 +35,8 @@ export default function ListEdit( {
 	const { ordered, values, reversed, start } = attributes;
 	const tagName = ordered ? 'ol' : 'ul';
 
-	const controls = ( { value, onChange } ) => {
-		if ( value.start === undefined ) {
-			return;
-		}
-
-		return <>
+	const controls = ( { value, onChange } ) => (
+		<>
 			<RichTextShortcut
 				type="primary"
 				character="["
@@ -115,8 +111,8 @@ export default function ListEdit( {
 					] }
 				/>
 			</BlockControls>
-		</>;
-	};
+		</>
+	);
 
 	return <>
 		<RichText