Revert "[Font API] Use registered fonts for Block Editor iframe. (#49646

)" (#49863)

This reverts commit d39f350.

lib/compat/wordpress-6.2/script-loader.php

@@ -130,33 +130,26 @@ function gutenberg_resolve_assets_override() {
 	$scripts = ob_get_clean();
 
 	/*
-	 * Generate font @font-face styles for the iframe.
-	 *
-	 * For the Site Editor, use the registered fonts.
-	 * For the Block Editor, use the enqueued fonts.
+	 * Generate font @font-face styles for the site editor iframe.
+	 * Use the registered font families for printing.
 	 */
 	if ( class_exists( 'WP_Fonts' ) ) {
-		$wp_fonts       = wp_fonts();
-		$registered     = $wp_fonts->get_registered_font_families();
-		$is_site_editor = 'site-editor.php' === $pagenow;
-
+		$wp_fonts   = wp_fonts();
+		$registered = $wp_fonts->get_registered_font_families();
 		if ( ! empty( $registered ) ) {
-			$done           = $wp_fonts->done;
-			$wp_fonts->done = array();
-			if ( $is_site_editor ) {
-				$queue           = $wp_fonts->queue;
-				$wp_fonts->queue = $registered;
-			}
+			$queue = $wp_fonts->queue;
+			$done  = $wp_fonts->done;
+
+			$wp_fonts->done  = array();
+			$wp_fonts->queue = $registered;
 
 			ob_start();
 			$wp_fonts->do_items();
 			$styles .= ob_get_clean();
 
-			// Reset the Fonts API.
-			$wp_fonts->done = $done;
-			if ( $is_site_editor ) {
-				$wp_fonts->queue = $queue;
-			}
+			// Reset the Web Fonts API.
+			$wp_fonts->done  = $done;
+			$wp_fonts->queue = $queue;
 		}
 	}