Fix reinsertion of note on edit after import
Fix reinsertion of note on edit after import

Falsy pinned values were considered different causing the note to be
reinserted on edit. While not a problem when pinned was defined,
imported/synced notes don't necessarily have pinned defined.

haystack/listit,mxruedag/listit,mxruedag/listit,haystack/listit,mxruedag/listit,haystack/listit