cherry-pick #40948
Like mysql, json_search returns the path which point to a json string
witch match the pattern.
`SELECT JSON_SEARCH('["A",[{"B":"1"}],{"C":"AB"},{"D":"BC"}]', 'one',
'A_') as res;`
```
+----------+
| res |
+----------+
| "$[2].C" |
+----------+
```
Co-authored-by: liutang123 <liulijia@gmail.com>