Add db.CopyNew

Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarProvider.cs

@@ -1341,7 +1341,11 @@ namespace SqlSugar
         }
         #endregion
 
-        #region
+        #region Other
+        public SqlSugarClient CopyNew()
+        {
+            return new SqlSugarClient(UtilMethods.CopyConfig(this.Ado.Context.CurrentConnectionConfig));
+        }
         public void ThenMapper<T>(IEnumerable<T> list, Action<T> action)
         {
             MapperContext<T> result = new MapperContext<T>();

Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarScopeProvider.cs

@@ -706,6 +706,10 @@ namespace SqlSugar
         {
             return ScopedContext.UpdateNav(datas);
         }
+        public SqlSugarClient CopyNew()
+        {
+            return new SqlSugarClient(UtilMethods.CopyConfig(this.Ado.Context.CurrentConnectionConfig));
+        }
         #endregion
     }
 }