Scope Cases get -1 appended to their names on initialization

[hartra344]

Describe the Bug with repro steps

1. Open Standalone
2. Load "Switch" or "Unicode Text" mock cases
   OR
   Run the full serialization E2E test case which has been disabled on CI by accident

What type of Logic App Is this happening in?

Standard (Portal)

Are you using new designer or old designer

New Designer

Did you refer to the TSG before filing this issue? https://aka.ms/lauxtsg

Yes

Workflow JSON

{
  "definition": {
    "$schema": "https://schema.management.azure.com/providers/Microsoft.Logic/schemas/2016-06-01/workflowdefinition.json#",
    "actions": {
      "Switch": {
        "cases": {
          "First_Case": {
            "actions": {
              "Action-1-Compose": {
                "inputs": "test",
                "type": "Compose"
              }
            },
            "case": "test"
          },
          "Second_Case": {
            "actions": {},
            "case": "test-2"
          },
          "Third_Case": {
            "actions": {},
            "case": "test-3"
          }
        },
        "default": {
          "actions": {
            "Default-Compose": {
              "inputs": "test",
              "type": "Compose"
            }
          }
        },
        "expression": "@triggerBody()",
        "runAfter": {},
        "type": "Switch"
      },
      "Initialize_owner": {
        "inputs": {
          "variables": [
            {
              "name": "goalOwner",
              "type": "string",
              "value": "abc@microsoft.com"
            }
          ]
        },
        "runAfter": {
          "Switch": ["SUCCEEDED"]
        },
        "type": "InitializeVariable"
      }
    },
    "contentVersion": "1.0.0.0",
    "outputs": {},
    "triggers": {
      "Http": {
        "inputs": {
          "body": "d",
          "headers": {
            "d": "d"
          },
          "method": "PUT",
          "uri": "http://uri.com"
        },
        "recurrence": {
          "frequency": "Hour",
          "interval": 3,
          "timeZone": "UTC-11"
        },
        "type": "Http"
      }
    }
  },
  "kind": "Stateful"
}

Screenshots or Videos

Browser

Chrome

Additional context

Did a git bisect and it started with #4668