Fix LiteSpeed Cache fatal error when loading wp-admin file dependency (#2386)

Author: obenland

integration/class-litespeed-cache.php

@@ -172,7 +172,7 @@ private static function append_with_markers( $marker, $rules ) {
 			return false;
 		}
 
-		// Ensure get_home_path() is declared.
+		// Ensure WP_Filesystem() is declared.
 		require_once ABSPATH . 'wp-admin/includes/file.php';
 
 		global $wp_filesystem;
@@ -211,6 +211,9 @@ private static function append_with_markers( $marker, $rules ) {
 	private static function get_htaccess_file_path() {
 		$htaccess_file = false;
 
+		// Ensure get_home_path() is declared.
+		require_once ABSPATH . 'wp-admin/includes/file.php';
+
 		// phpcs:ignore WordPress.PHP.NoSilencedErrors
 		if ( @file_exists( \get_home_path() . '.htaccess' ) ) {
 			/** The htaccess file resides in ABSPATH */