[Feature][SDK] Transform support JSON_EXISTS() function

[emptyOVO]

Description

• parent issue: [Umbrella] Tencent Rhino-bird: Expand InLong Transform functions #10796
• from flinksql: https://nightlies.apache.org/flink/flink-docs-master/docs/dev/table/functions/systemfunctions/#string-functions
• JSON_EXISTS(jsonValue, path)--Determines whether a JSON string satisfies a given path search criterion.

Use case

-- TRUE
SELECT JSON_EXISTS('{"a": true}', '$.a');
-- FALSE
SELECT JSON_EXISTS('{"a": true}', '$.b');
-- TRUE
SELECT JSON_EXISTS('{"a": [{ "b": 1 }]}',
  '$.a[0].b');

Are you willing to submit PR?

• Yes, I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct