Bottle Missing Sample ID in BTL file

[upsonp]

Loading the DY16902 mission, DY169a174.BTL has a bottle fired out of sequence, it has a bottle position of 24, but then no sample ID (because it wasn't sampled).

This causes a ValueError in the ctd parser, but also the error isn't reported to the user and Dart doesn't load the other samples from the file:

ERROR 2024-07-10 07:29:06,554 form_btl_load form_btl_load.py 271 load_ctd_file cannot convert float NaN to integer
Traceback (most recent call last):
  File "D:\Gov\projects\python\dart\core\form_btl_load.py", line 269, in load_ctd_file
    ctd.read_btl(ctd_mission, ctd_file_path)
  File "D:\Gov\projects\python\dart\core\parsers\ctd.py", line 494, in read_btl
    process_data(event=event, data_frame=data_frame, column_headers=col_headers)
  File "D:\Gov\projects\python\dart\core\parsers\ctd.py", line 376, in process_data
    bottle_id = int(row[1]['bottle_'])
                ^^^^^^^^^^^^^^^^^^^^^^
ValueError: cannot convert float NaN to integer