[macOS] Handle NSRangeException while fetching opened documents in Adobe

IndexError: NSRangeException - *** -[NSArray getObjects:range:]: range {32, 2} extends beyond bounds [0 .. 32]
  File "nxdrive/autolocker.py", line 66, in _poll
  File "nxdrive/autolocker.py", line 81, in _process
  File "nxdrive/autolocker.py", line 163, in get_open_files
  File "nxdrive/osi/darwin/files.py", line 75, in get_other_opened_files
  File "nxdrive/osi/darwin/files.py", line 58, in _get_opened_files_adobe_cc
  File "site-packages/objc/_convenience.py", line 129, in <lambda>