Recommended closure flags cannot be retracted
If a question is flagged as any "needs improvement" option or as a "duplicate", is_retraction is set to true for both "a duplicate" and "needs improvement" but no option_id is provided for either option making it impossible to retract the flag from the API.
Expected API output for any other type of flag:
Output for any "needs improvement" or "duplicate option" (notice the absence of option_id):

