Cover new field object status

Close #13

classes/CsvxmlAvailableFields.php

@@ -543,6 +543,14 @@ public function __construct(string $lang) {
                 ),
             ],
             $tlLoader->tl("basis", "basis", 'administration') => [
+                "ownership_status" => new FieldEntry(
+                    false,
+                    [],
+                    [],
+                    '',
+                    $tlLoader->tl("basis", "basis", "status"),
+                    $tlLoader->tl("object_addendum", "object_add", "status_explica"),
+                ),
                 "inclusion_when" => new FieldEntry(
                     false,
                     [],