I want MMSegmentation to provide a SegFormerHead decode head that I can select in a model config with…

I want MMSegmentation to provide a SegFormerHead decode head that I can select in a model config with…: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). The public forward(inputs) method should consume the four selected backbone feature tensors from a SegFormer…