Moved all extension methods into extension blocks (#1155)

app/MindWork AI Studio/Assistants/ERI/DataSourcesExtensions.cs

@@ -4,18 +4,21 @@ public static class DataSourcesExtensions
 {
     private static string TB(string fallbackEN) => Tools.PluginSystem.I18N.I.T(fallbackEN, typeof(DataSourcesExtensions).Namespace, nameof(DataSourcesExtensions));
     
-    public static string Name(this DataSources dataSource) => dataSource switch
+    extension(DataSources dataSource)
     {
-        DataSources.NONE => TB("No data source selected"),
-        DataSources.CUSTOM => TB("Custom description"),
+        public string Name() => dataSource switch
+        {
+            DataSources.NONE => TB("No data source selected"),
+            DataSources.CUSTOM => TB("Custom description"),
         
-        DataSources.FILE_SYSTEM => TB("File system (local or network share)"),
-        DataSources.OBJECT_STORAGE => TB("Object storage, like Amazon S3, MinIO, etc."),
-        DataSources.KEY_VALUE_STORE => TB("Key-Value store, like Redis, etc."),
-        DataSources.DOCUMENT_STORE => TB("Document store, like MongoDB, etc."),
-        DataSources.RELATIONAL_DATABASE => TB("Relational database, like MySQL, PostgreSQL, etc."),
-        DataSources.GRAPH_DATABASE => TB("Graph database, like Neo4j, ArangoDB, etc."),
+            DataSources.FILE_SYSTEM => TB("File system (local or network share)"),
+            DataSources.OBJECT_STORAGE => TB("Object storage, like Amazon S3, MinIO, etc."),
+            DataSources.KEY_VALUE_STORE => TB("Key-Value store, like Redis, etc."),
+            DataSources.DOCUMENT_STORE => TB("Document store, like MongoDB, etc."),
+            DataSources.RELATIONAL_DATABASE => TB("Relational database, like MySQL, PostgreSQL, etc."),
+            DataSources.GRAPH_DATABASE => TB("Graph database, like Neo4j, ArangoDB, etc."),
         
-        _ => TB("Unknown data source")
-    };
+            _ => TB("Unknown data source")
+        };
+    }
 }