Query Media processing status

Requires the media index permission. Returns one result per requested Media ID in request order. Missing, removed, and foreign-owned IDs all return the same non-disclosing MEDIA_NOT_FOUND result. PENDING and PROCESSING are non-terminal; READY, FAILED, and MEDIA_NOT_FOUND are terminal. Images and alt_translations are returned only for READY Media.<br> 需要圖像查詢權限。系統會依照請求中的 Media ID 順序回傳結果。不存在、已移除或屬於其他商店的 ID 均回傳不洩露資訊的 MEDIA_NOT_FOUND。PENDING 與 PROCESSING 為非終止狀態；READY、FAILED 與 MEDIA_NOT_FOUND 為終止狀態。僅 READY 狀態的圖像會回傳 images 與 alt_translations。