Hi Diogo,
I have a solution to suggest for your use case.
Steps to follow:
1) In the Data action flow, while preparing the data concate NewLine() in-built function (as highlighted below), to get the string in next line.

2) In the Grid OnInitalize handler flow execute the below JS
JS Snippet:
var gridObj = GridAPI.GridManager.GetGridById($parameters.GridWidgetId);
setTimeout(function () {
gridObj._columns.forEach(function (col) {
col._provider.multiLine = true;
});
GridAPI.GridManager.GetActiveGrid().provider.autoSizeRows();
}, 50);
See this demo: DG_Col_MultiLine_Task
Refer to the attached oml.
I hope this helps you!
Kind regards,
Benjith Sam