Use get_plugins because it uses cache

src/BlockTypes/Checkout.php

@@ -343,22 +343,21 @@ function( $acc, $method ) {
 		}
 
 		if ( $is_block_editor && ! $this->asset_data_registry->exists( 'incompatibleExtensions' ) ) {
-			if ( ! class_exists( '\Automattic\WooCommerce\Utilities\FeaturesUtil' ) ) {
+			if ( ! class_exists( '\Automattic\WooCommerce\Utilities\FeaturesUtil' ) || ! function_exists( 'get_plugins' ) ) {
 				return;
 			}
 
-			if ( ! function_exists( 'get_plugin_data' ) ) {
-				require_once ABSPATH . 'wp-admin/includes/plugin.php';
-			}
-
 			$declared_extensions     = \Automattic\WooCommerce\Utilities\FeaturesUtil::get_compatible_plugins_for_feature( 'cart_checkout_blocks' );
+			$all_plugins             = \get_plugins(); // Note that `get_compatible_plugins_for_feature` calls `get_plugins` internally, so this is already in cache.
 			$incompatible_extensions = array_reduce(
 				$declared_extensions['incompatible'],
-				function( $acc, $item ) {
-					$plugin = get_plugin_data( WP_PLUGIN_DIR . '/' . $item );
-					$acc[]  = [
-						'id'    => $plugin['TextDomain'],
-						'title' => $plugin['Name'],
+				function( $acc, $item ) use ( $all_plugins ) {
+					$plugin      = $all_plugins[ $item ] ?? null;
+					$plugin_id   = $plugin['TextDomain'] ?? dirname( $item );
+					$plugin_name = $plugin['Name'] ?? $plugin_id;
+					$acc[]       = [
+						'id'    => $plugin_id,
+						'title' => $plugin_name,
 					];
 					return $acc;
 				},