Revert: allow url to be set regardless

packages/block-library/src/navigation-link/update-attributes.js

@@ -89,14 +89,8 @@ export const updateAttributes = (
 
 	const hasId = id && Number.isInteger( id );
 
-	// If the new link value has an ID then it's an internal link so do not set the URL.
-	// This will be dynamically generated from the ID.
-	// Passed `url` may already be encoded. To prevent double encoding, decodeURI is executed to revert to the original string.
-	const updatedUrl =
-		! hasId && newUrl ? encodeURI( safeDecodeURI( newUrl ) ) : '';
-
 	setAttributes( {
-		url: updatedUrl,
+		...( newUrl && { url: encodeURI( safeDecodeURI( newUrl ) ) } ),
 		...( label && { label } ),
 		...( undefined !== opensInNewTab && { opensInNewTab } ),
 		...( hasId && { id } ),