target import - sort out the classification field

[wyrzykow]

Classification field is allowed in csv file in import, but Classification is an enum for the list. Add in the GUI description the list of the fields and how should they look like in the csv file.

[wyrzykow]

Doesn't work. Tried: name, ra, dec, importance, cadence, classification, description AT2024jfl, 1.39089777778, 3.82634555556, 0, 1, SN, test supernova

The classification was still set to Unknown:

[wyrzykow]

this issue is still pending @arturkrawczyk