How can I set that both groups are displayed if they have the same priority?
Only one is always displayed, although the user is in both groups.

If the user is one group higher, only this group is displayed.

"GroupName": "steam",
    "Priority": 130,
    "Title": {
      "Text": "[STEAM]",
      "Color": "#046A9E",
      "Size": 15,
      "Hidden": false,
      "HiddenIfNotPrimary": true
    },
    "Username": {
      "Color": "#55aaff",
      "Size": 15
    },
    "Message": {
      "Color": "white",
      "Size": 15
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
  {                                                   
    "GroupName": "discord",
    "Priority": 130,
    "Title": {
      "Text": "[DISCORD]",
      "Color": "#8292EA",
      "Size": 15,
      "Hidden": false,
      "HiddenIfNotPrimary": true
    },
    "Username": {
      "Color": "#55aaff",
      "Size": 15
    },
    "Message": {
      "Color": "white",
      "Size": 15
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"
    }
  },
  {
    "GroupName": "admin",   
    "Priority": 100,
    "Title": {
      "Text": "[ADMIN]",
      "Color": "#C70039",
      "Size": 15,
      "Hidden": false,
      "HiddenIfNotPrimary": false
    },
    "Username": {
      "Color": "#52ff33",
      "Size": 15
    },
    "Message": {
      "Color": "white",
      "Size": 15
    },
    "Format": {
      "Chat": "{Title} {Username}: {Message}",
      "Console": "{Title} {Username}: {Message}"