Reduce styles_inline_size_limit to 40K down from 50K

Author: westonruter

src/wp-includes/script-loader.php

@@ -3055,14 +3055,14 @@ function wp_print_inline_script_tag( $data, $attributes = array() ) {
 function wp_maybe_inline_styles() {
 	global $wp_styles;
 
-	$total_inline_limit = 50000;
+	$total_inline_limit = 40000;
 	/**
 	 * The maximum size of inlined styles in bytes.
 	 *
 	 * @since 5.8.0
-	 * @since 6.9.0 The default limit increased from 20K to 50K.
+	 * @since 6.9.0 The default limit increased from 20K to 40K.
 	 *
-	 * @param int $total_inline_limit The file-size threshold, in bytes. Default 50000.
+	 * @param int $total_inline_limit The file-size threshold, in bytes. Default 40000.
 	 */
 	$total_inline_limit = apply_filters( 'styles_inline_size_limit', $total_inline_limit );