Simplify parameters for job launching functions

[naglepuff]

This is probably my fault from before. I think we may want another PR/Issue where we swap all of these queueTraining and runTraining to just pass a full RunTraining Object instead of all these individual arguments. I don't think it needs to be done here because it will also touch the girder web version of the client as well.

Originally posted by @BryonLewis in https://github.com/Kitware/dive/pull/1534#discussion_r2487380584