Preset doesn't store DDC selection

[aksdb]

When I use ViPER-DDC and select a model from the database, this is not stored and restored as part of the presets. If two presets are supposed to load different DDC models, they end up just keeping the current one.

(From what I can tell, the database DDC is stored in a "temp.vdc" file so it's not depending on the current preset; the preset just stores the path to the DDC config which is the temporary file, in this case.)