Single-Line Input: The `dataList` property value is not saved in the survey JSON schema

[JaneSjs]

T26177 - Items for auto-suggest not saving in single-line input elements within form designer
https://surveyjs.answerdesk.io/internal/ticket/details/T26177

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The resultant survey JSON definition:

{
  "pages": [
    {
      "name": "page1",
      "elements": [
        {
          "type": "text",
          "name": "question1"
        }
      ]
    }
  ],
  "headerView": "advanced"
}