WP Filesystem: Correctly parse the permissions field in the directory listings, and actually set it in FTP environments

Props mnelson4 for initial patch.
Fixes #29548


git-svn-id: https://develop.svn.wordpress.org/trunk@32923 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/class-wp-filesystem-ftpsockets.php

@@ -449,6 +449,9 @@ class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
 			if ( $struc['islink'] )
 				$struc['name'] = preg_replace( '/(\s*->\s*.*)$/', '', $struc['name'] );
 
+			// Add the Octal representation of the file permissions
+			$struc['permsn'] = $this->getnumchmodfromh( $struc['perms'] );
+
 			$ret[ $struc['name'] ] = $struc;
 		}