additional quotes when copying from the data editor

additional quotes when copying from the data editor

v.10.0.60

example 

SELECT JSON_OBJECT("key1", 'val1', "key2", 'val2')
UNION
SELECT JSON_OBJECT("key3", 3, "key4", 4);

1. when copying a value from one line everything is ok

2. When you copy several lines, additional quotes are inserted