Fix copying result header behavior #2125 (#2125)

src/Microsoft.SqlTools.ServiceLayer/QueryExecution/Contracts/CopyResultsRequest.cs

@@ -22,6 +22,11 @@ namespace Microsoft.SqlTools.ServiceLayer.QueryExecution.Contracts
     /// </summary>
     public class CopyResultsRequestParams : SubsetParams
     {
+        /// <summary>
+        /// Whether to include the column headers.
+        /// </summary>
+        public bool IncludeHeaders { get; set; }
+
         /// <summary>
         /// The selections.
         /// </summary>

src/Microsoft.SqlTools.ServiceLayer/QueryExecution/QueryExecutionService.cs

@@ -729,7 +729,9 @@ namespace Microsoft.SqlTools.ServiceLayer.QueryExecution
             var lastRowIndex = rowRanges.Last().End;
             var builder = new StringBuilder();
             var pageSize = 200;
-            if (Settings.QueryEditorSettings.Results.CopyIncludeHeaders)
+
+            // We need to respect IncludeHeaders from parameters instead of getting the config value as ADS can explicitly ask for headers
+            if (requestParams.IncludeHeaders)
             {
                 Validate.IsNotNullOrEmptyString(nameof(requestParams.OwnerUri), requestParams.OwnerUri);
                 Query query;