Changes to Get OCR requests

for the query request parameter request_id, the type was generalized from string to array

added the optional property statuses/additionalProperties/character_count to the response with the 200 status

added the optional property statuses/additionalProperties/page_count to the response with the 200 status

added the optional property statuses/additionalProperties/scan_quality to the response with the 200 status

added the optional property statuses/additionalProperties/scan_score to the response with the 200 status

endpoint added