[TSI] Update model settings API changes and e2e tests (Azure#19084)

Author: bikamani

sdk/timeseriesinsights/Azure.Iot.TimeSeriesInsights/api/Azure.Iot.TimeSeriesInsights.netstandard2.0.cs

@@ -40,16 +40,13 @@ public async Task RunSamplesAsync()
 
                 #endregion Snippet:TimeSeriesInsightsGetModelSettings
 
-                #region Snippet:TimeSeriesInsightsUpdateModelSettings
+                #region Snippet:TimeSeriesInsightsUpdateModelSettingsModelName
 
-                var options = new UpdateModelSettingsOptions
-                {
-                    Name = "sampleModel"
-                };
-                Response<TimeSeriesModelSettings> updatedSettings = await client.UpdateModelSettingsAsync(options);
+                string name = "sampleModel";
+                Response<TimeSeriesModelSettings> updatedSettings = await client.UpdateModelSettingsNameAsync(name);
                 Console.WriteLine($"Updated model name to {updatedSettings.Value.Name} ");
 
-                #endregion Snippet:TimeSeriesInsightsUpdateModelSettings
+                #endregion Snippet:TimeSeriesInsightsUpdateModelSettingsModelName
 
             }
             catch (Exception ex)