Custom layout 404 hook not working with embedded link

gistfile1.txt

function ensure_autoembed_on_embed_blocks( $block ) {
	global $wp_embed;
	
	if ( $block['blockName'] === 'core/embed' && strpos( $block['innerContent'][ 0 ], '</iframe>' ) === false ) {
		$block['innerContent'][ 0 ] = $wp_embed->autoembed( $block['innerContent'][ 0 ] );
	}
	
	return $block;
	}
	add_action('astra_404_content_template','ensure_autoembed_on_embed_blocks_404',10,1);

	function ensure_autoembed_on_embed_blocks_404( $block ) {
	add_filter( 'render_block_data', 'ensure_autoembed_on_embed_blocks', 10, 1 );
		}