- 增加 FreeSqlBuilder UseNameConvert 方法，类名、属性名都生效；

- 调整 FreeSqlBuilder，准备移除 UseEntityPropertyNameConvert/UseSyncStructureToLower/UseSyncStructureToUpper 方法；#260

FreeSql.Tests/FreeSql.Tests.Provider.Odbc/MySql/Curd/MySqlSelectTest.cs

@@ -311,7 +311,7 @@ namespace FreeSql.Tests.Odbc.MySql
                 })
             });
             var ddd = g.mysql.Select<District>().LeftJoin(d => d.ParentCode == d.Parent.Code).ToTreeList();
-            Assert.Equal(1, ddd.Count);
+            Assert.Single(ddd);
             Assert.Equal(2, ddd[0].Childs.Count);
         }
         public class District