Fail better when no DL webservice connection

[kalisp]

Changelog Description

Without this it throws weird Enum error.

Testing notes:

1. run Publisher with not running DL webservice, it should show dropdowns with '< none >' values

[iLLiCiTiT]

I did small change as it would be hard to do suggestion.

There were few issues:

1. All the variables pointed to same list object -> they would have 4 none items if it would fail.
2. The value of none item was not None but "< none >".

[MilaKudr]

I am not able to create bundle.