Fix so "Action disabled" error uses more appropriate 404 code (#5440)

CHANGELOG

@@ -56,6 +56,7 @@ CHANGELOG Roundcube Webmail
 - Fix so folders list is scrolled to the selected folder on page load (#5424)
 - Fix so when moving to Trash we make sure the folder exists (#5192)
 - Fix displaying size of attachments with zero size
+- Fix so "Action disabled" error uses more appropriate 404 code (#5440)
 
 RELEASE 1.2.1
 -------------

index.php

@@ -243,7 +243,7 @@ else {
     $disabled_actions = (array) $RCMAIL->config->get('disabled_actions');
     if (in_array($RCMAIL->task . '.' . ($RCMAIL->action ?: 'index'), $disabled_actions)) {
         rcube::raise_error(array(
-            'code' => 403, 'type' => 'php',
+            'code' => 404, 'type' => 'php',
             'message' => "Action disabled"), true, true);
     }
 }