[ko] Add HTTP.invalidJSON and unsupportedJSONFormat for 4.4.4

[Terrorboy]

Description Add HTTP.invalidJSON and unsupportedJSONFormat

Checklist:

• [x] Securely signed commits
• [] Component(s) with PHPDoc blocks, only if necessary or adds value
• [] Unit testing, with >80% coverage
• [] User guide updated
• [x] Conforms to style guide