message: show standard error if saving formatted measures fails
diff: @@ -367,8 +367,14 @@ namespace Sqlbi.Bravo.UI.ViewModels
  }
  }
  - // TODO: add error handling for this
  + try
  + {
  _formatter.SaveFormattedMeasures(toUpdate, ParentTab.RuntimeSummary);
  + }
  + catch (Exception exc)
  + {
  + ParentTab.DisplayError($"Unable to save changes{Environment.NewLine}{exc.Message}", ApplyFormattingChangesToModelAsync);
  + }
  MeasuresFormatted = toUpdate.Count;
  });
  