Exporter: don't export UUIDs for non-Icinga objects

fixes #2644

doc/82-Changelog.md

@@ -16,6 +16,7 @@ v1.10.2 (unreleased)
 
 ### Configuration Baskets
 * FEATURE: more details shown in error messages related to invalid characters (#2646)
+* FIX: snapshots for Baskets containing Baskets failed since v1.10 (#2644)
 
 ### Internals
 * FIX: issue with empty activity log, deprecate outdated method (#2630)

library/Director/Data/Exporter.php

@@ -248,6 +248,7 @@ class Exporter
                 $props['settings'] = (object) $object->getSettings(); // Already sorted
             }
         }
+        unset($props['uuid']); // Not yet
         if (! $this->showDefaults) {
             foreach ($props as $key => $value) {
                 // We assume NULL as a default value for all non-IcingaObject properties