feat(SW-3151): Added original to imageSchema and added transform to a more generic image type

Approved-by: Bianca Widstam
Approved-by: Chuma Mcphoy (We Ahead)
Approved-by: Matilda Landström

packages/design-system/lib/components/ImageGallery/index.tsx

@@ -7,8 +7,8 @@ import { useIntl } from 'react-intl'
 import { MaterialIcon } from '../Icons/MaterialIcon'
 import Image from '../Image'
 import ImageFallback from '../ImageFallback'
-import { Typography } from '../Typography'
 import Lightbox from '../Lightbox'
+import { Typography } from '../Typography'
 
 import styles from './imageGallery.module.css'
 
@@ -16,7 +16,6 @@ export interface GalleryImage {
   src: string
   alt: string
   caption?: string | null
-  smallSrc?: string | null
 }
 
 type ImageGalleryProps = {
@@ -50,7 +49,7 @@ function ImageGallery({
       }
     : { height, width: height * 1.5 }
 
-  if (!images || images.length === 0 || imageError) {
+  if (!images?.length || imageError) {
     return <ImageFallback />
   }