Fix crash after copying table to other database, when target database is expanded in DBtree and current session has a background color. Closes #1597

source/copytable.pas

@@ -479,10 +479,8 @@ begin
     if InsertCode <> '' then
       FConnection.Query(InsertCode);
     // actRefresh takes care of whether the table editor is open
-    if FConnection.Database = comboDatabase.Text then
-      MainForm.actRefresh.Execute
-    else
-      FConnection.ClearDbObjects(comboDatabase.Text);
+    // See also issue #1597
+    MainForm.actRefresh.Execute
   except
     on E:EDbError do begin
       Screen.Cursor := crDefault;