Update ForecastBySsa function specifications and add seealso (#5027)

Author: mstfbl

src/Microsoft.ML.TimeSeries/SSaForecasting.cs

@@ -208,7 +208,7 @@ private static IRowMapper Create(IHostEnvironment env, ModelLoadContext ctx, Dat
  /// </summary>
  /// <remarks>
  /// <format type="text/markdown"><![CDATA[
- /// To create this estimator, use [ForecastBySsa](xref:Microsoft.ML.TimeSeriesCatalog.ForecastBySsa(Microsoft.ML.TransformsCatalog,System.String,System.String,System.Int32,System.Int32,System.Int32,System.Int32,System.Boolean, System.Single, Microsoft.ML.Transforms.TimeSeries.AnomalySide,Microsoft.ML.Transforms.TimeSeries.ErrorFunction))
+ /// To create this estimator, use [ForecastBySsa](xref:Microsoft.ML.TimeSeriesCatalog.ForecastBySsa(Microsoft.ML.ForecastingCatalog,System.String,System.String,System.Int32,System.Int32,System.Int32,System.Int32,System.Boolean,System.Single,Microsoft.ML.Transforms.TimeSeries.RankSelectionMethod,System.Int32?,System.Int32?,System.Boolean,System.Boolean,Microsoft.ML.Transforms.TimeSeries.GrowthRatio?,System.String,System.String,System.Single,System.Boolean))
  ///
  /// [!include[io](~/../docs/samples/docs/api-reference/io-time-series-ssa-forecast.md)]
  ///
@@ -228,6 +228,7 @@ private static IRowMapper Create(IHostEnvironment env, ModelLoadContext ctx, Dat
  /// ]]>
  /// </format>
  /// </remarks>
+ /// <seealso cref="Microsoft.ML.TimeSeriesCatalog.ForecastBySsa(Microsoft.ML.ForecastingCatalog,System.String,System.String,System.Int32,System.Int32,System.Int32,System.Int32,System.Boolean,System.Single,Microsoft.ML.Transforms.TimeSeries.RankSelectionMethod,System.Int32?,System.Int32?,System.Boolean,System.Boolean,Microsoft.ML.Transforms.TimeSeries.GrowthRatio?,System.String,System.String,System.Single,System.Boolean)" />
  public sealed class SsaForecastingEstimator : IEstimator<SsaForecastingTransformer>
  {
  private readonly IHost _host;