Revert "Footnotes: Fix recursion into updating attributes when attrib…

…utes is not an object (#53257)"

This reverts commit ab04074.

packages/core-data/src/entity-provider.js

@@ -229,15 +229,6 @@ export function useEntityBlockEditor( kind, name, { id: _id } = {} ) {
 			);
 
 			function updateAttributes( attributes ) {
-				// Only attempt to update attributes, if attributes is an object.
-				if (
-					! attributes ||
-					Array.isArray( attributes ) ||
-					typeof attributes !== 'object'
-				) {
-					return attributes;
-				}
-
 				attributes = { ...attributes };
 
 				for ( const key in attributes ) {