KORAIL_STORE

[API] all product image URL (on #102 - No 2)

1.As-is (logic)
  - if st_product.krs_img_url is NOT empty, set by this value
  - else, set as current

2.To-be
  1) if st_mall.mall_type = 'store'
    - if st_product.krs_img_url is NOT empty, set by this value
    - else
        if common_image_file is NOT NULL, set by URL with {common_image_file}
  2) else if mall_type = 'online'
    - if image_file is NOT NULL, set by URL with {image_file} as current
 

[ADMIN] 스토리 오더 관리 > 상품 관리 (/storeProduct)

1.공통 이미지 선택 
  1) selectbox options
    - show st_files.file_title (currently, file_name is shown)
    - apply it into 이미지 확인 modal > file list

2.이미지 확인 button
  - apply style class : "btn btn-outline-primary"