Fix env_vars api delete error when not admin

[rocketeerbkw]

Fixes this bug when running api queries as non-admin:

mutation deleteEnv{
  deleteEnvVariable(input: {id: 19})
}

return

{
  "errors": [
    {
      "message": "Table 'infrastructure.ev' doesn't exist",
      "locations": [
        {
          "line": 2,
          "column": 3
        }
      ],
      "path": [
        "deleteEnvVariable"
      ]
    }
  ],
  "data": {
    "deleteEnvVariable": null
  }
}