Replace instances of wp_is_block_theme() with wc_current_theme_is_fse_theme() (#6590)

Author: Aljullu

src/BlockTypes/MiniCart.php

@@ -199,8 +199,7 @@ protected function enqueue_data( array $attributes = [] ) {
 
 		if (
 			current_user_can( 'edit_theme_options' ) &&
-			function_exists( 'wp_is_block_theme' ) &&
-			wp_is_block_theme()
+			wc_current_theme_is_fse_theme()
 		) {
 			$theme_slug      = BlockTemplateUtils::theme_has_template_part( 'mini-cart' ) ? wp_get_theme()->get_stylesheet() : BlockTemplateUtils::PLUGIN_SLUG;
 			$site_editor_uri = admin_url( 'site-editor.php' );

src/Templates/ProductSearchResultsTemplate.php

@@ -33,7 +33,7 @@ protected function init() {
 	 * @param array $templates Templates that match the search hierarchy.
 	 */
 	public function update_search_template_hierarchy( $templates ) {
-		if ( ( is_search() && is_post_type_archive( 'product' ) ) && wp_is_block_theme() ) {
+		if ( ( is_search() && is_post_type_archive( 'product' ) ) && wc_current_theme_is_fse_theme() ) {
 			return [ self::SLUG ];
 		}
 		return $templates;

src/Utils/BlockTemplateUtils.php

@@ -366,7 +366,7 @@ public static function theme_has_template_part( $template_name ) {
 	 */
 	public static function supports_block_templates() {
 		if (
-			( ! function_exists( 'wp_is_block_theme' ) || ! wp_is_block_theme() ) &&
+			! wc_current_theme_is_fse_theme() &&
 			( ! function_exists( 'gutenberg_supports_block_templates' ) || ! gutenberg_supports_block_templates() )
 		) {
 			return false;