Enhance Wheelbarrow Pose /NoobAI v-pred

V-pred LoRA test. Train with AnyNoobAI(for LoRA Training) 1.0_v-prediction version.

For NoobAI v-pred type models. may be can use some epsilon pred models.

recommended weights about 0.6~1.2 depending on the models, CFG, with/without dmd2.