index.js

addFilter(
	"editor.BlockEdit",
	"wpdev/is-post-link",
	( BlockEdit ) => {
		return (props) => {
			if (props.name !== "core/button") {
				return <BlockEdit {...props} />;
			}

			return (
				<>
					<BlockEdit {...props} />
					<Edit {...props} />
				</>
			);
		};
	}
);