Moved all extension methods into extension blocks (#1155)

app/MindWork AI Studio/Settings/DataSourceOrderExtensions.cs

@@ -2,20 +2,23 @@ namespace AIStudio.Settings;
 
 public static class DataSourceOrderExtensions
 {
-    /// <summary>
-    /// Sorts data sources in a fixed order: by their number, then by their ID.
-    /// </summary>
-    /// <remarks>
-    /// The same data sources always come in the same order, however the settings list them, the
-    /// checks return them, or an agent selects them. Semantic Search offers them this way, because
-    /// the providers cache a request from its beginning, and the tools are part of that beginning,
-    /// see IToolImplementation.ResolveFunctionAsync. DataSourceRequirements names the first of
-    /// several equally strict data sources this way, so that both ways of searching name the same.
-    /// </remarks>
     /// <param name="dataSources">The data sources to sort.</param>
-    /// <returns>The data sources in their fixed order.</returns>
-    public static IReadOnlyList<IDataSource> InFixedOrder(this IEnumerable<IDataSource> dataSources) => dataSources
-        .OrderBy(dataSource => dataSource.Num)
-        .ThenBy(dataSource => dataSource.Id, StringComparer.Ordinal)
-        .ToList();
+    extension(IEnumerable<IDataSource> dataSources)
+    {
+        /// <summary>
+        /// Sorts data sources in a fixed order: by their number, then by their ID.
+        /// </summary>
+        /// <remarks>
+        /// The same data sources always come in the same order, however the settings list them, the
+        /// checks return them, or an agent selects them. Semantic Search offers them this way, because
+        /// the providers cache a request from its beginning, and the tools are part of that beginning,
+        /// see IToolImplementation.ResolveFunctionAsync. DataSourceRequirements names the first of
+        /// several equally strict data sources this way, so that both ways of searching name the same.
+        /// </remarks>
+        /// <returns>The data sources in their fixed order.</returns>
+        public IReadOnlyList<IDataSource> InFixedOrder() => dataSources
+            .OrderBy(dataSource => dataSource.Num)
+            .ThenBy(dataSource => dataSource.Id, StringComparer.Ordinal)
+            .ToList();
+    }
 }