Contrast Name for a given Node should be unique

[Remi-Gau]

I believe the fact that we have twice VisMot_&_VisStat should be flagged as an error, no?

{
  "Name": "vislocalizer",
  "BIDSModelVersion": "1.0.0",
  "Description": "contrasts for the visual localizer",
  "Input": {
    "task": [
      "vislocalizer"
    ],
    "space": [
      "IXI549Space"
    ]
  },
  "Nodes": [
    {
      "Level": "Run",
      "Name": "run_level",
      "GroupBy": [
        "run",
        "subject"
      ],
      "Model": {
        "Type": "glm",
        "X": [
          "trial_type.VisMot",
          "trial_type.VisStat",
          "trial_type.missing_condition",
          "trans_?",
          "rot_?"
        ]
      },
      "Contrasts": [
        {
          "Name": "VisMot_&_VisStat",
          "ConditionList": [
            "trial_type.VisMot",
            "trial_type.VisStat"
          ],
          "Weights": [
            1,
            1
          ],
          "Test": "t"
        },
        {
          "Name": "VisMot_&_VisStat",
          "ConditionList": [
            "trial_type.VisMot",
            "trial_type.VisStat"
          ],
          "Weights": [
            -1,
            -1
          ],
          "Test": "t"
        }
      ]
    }
  ]
}

[effigies]

Yes, I think it should be an error.