Fix retiring a note with a resource throwing an error if a version of the note with the same resource is already retired

src/calibre/db/notes/connect.py

@@ -172,6 +172,7 @@ class Notes:
                 rpath = make_long_path_useable(self.path_for_resource(rhash))
                 if os.path.exists(rpath):
                     rdest = os.path.join(destdir, 'res-'+rname)
+                    with suppress(shutil.SameFileError):
                         copyfile_using_links(rpath, make_long_path_useable(rdest), dest_is_dir=False)
             self.trim_retired_dir()