GH-99297
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Validate extension JSON: Error: Field 'classes/EditorTranslationParserPlugin/methods/_parse_file/arguments': size changed value in new API, from 3 to 1.
Validate extension JSON: JSON file: Field was added in a way that breaks compatibility 'classes/EditorTranslationParserPlugin/methods/_parse_file': return_value

Returning by argument reference is not safe in extensions, changed to returning as an Array and merged with `get_comments`. Compatibility method registered.
