2021-04-13-implement-uploading-and-assigning-variant-images.md

title	issue
Implement uploading and assigning variant images	NEXT-14120

Administration

• Added media-default-folder service in src/app/service to get a media default folder id if needed.
• Added the following methods in sw-product-variants-media-upload component:
  • getMediaDefaultFolderId
  • onAddMedia
  • addMedia
  • isExistingMedia
  • onUploadMediaSuccessful
  • isReplacedMedia
  • onUploadMediaFailed
• Added sw_product_variants_media_upload_listener block in sw-product-variants-media-upload component template.
• Changed sw_product_variants_media_upload_actions_media_modal block in sw-product-variants-media-upload component template.