FIXUP(formatter): account for creation_time being undefined sometimes

Author: jiridanek

lib/formatter.js

@@ -158,7 +158,7 @@ class Formatter {
         workDict['content-type'] = dict['content_type'];
         workDict['content-encoding'] = dict['content_encoding'];
         workDict['absolute-expiry-time'] = dict['absolute_expiry_time'];
-        workDict['creation-time'] = dict['creation_time'].getTime();
+        workDict['creation-time'] = dict['creation_time']?.getTime();
         workDict['group-id'] = dict['group_id'];
         workDict['group-sequence'] = dict['group_sequence'];
         workDict['reply-to-group-id'] = dict['reply_to_group_id'];
@@ -211,7 +211,7 @@ class Formatter {
         workDict['content-type'] = dict['content_type'];
         workDict['content-encoding'] = dict['content_encoding'];
         workDict['absolute-expiry-time'] = dict['absolute_expiry_time'];
-        workDict['creation-time'] = dict['creation_time'].getTime();
+        workDict['creation-time'] = dict['creation_time']?.getTime();
         workDict['group-id'] = dict['group_id'];
         workDict['group-sequence'] = dict['group_sequence'];
         workDict['reply-to-group-id'] = dict['reply_to_group_id'];