Pad lines before parsing PDB

[rvhonorato]

Some of our "golden data" is in the incorrect format, missing some spaces in the end;

This line was too short to parse the expected data field (at 76 to 78)
, InvalidatingError: Line too short
    ╷
190 │ ATOM    311  O1P  DT B  32      -7.080   5.978  23.824  1.00  0.00      B
    ·                                                                         ────
    ╵

This can be fixed by padding the lines

[rvhonorato]

Maybe it's possible to use the pdb-handler