This seems to have been solved long ago and I can save files with:
thunderbird 115.8.1-2 455 latest/stable snap-id: k1Ml1O9GzSO2QftV0ZlWSbUfQ78nN460
This seems to have been solved long ago and I can save files with:
thunderbird 115.8.1-2 455 latest/stable V0ZlWSbUfQ78nN4 60
snap-id: k1Ml1O9GzSO2Qft