feat: добавить preview image pipeline в admin

- добавлен polling variants и ручной refresh выбранного asset\n- добавлен picture/srcset preview с выбором preset\n- добавлен URL-state и copy actions для рабочих ссылок

apps/admin/src/infra/backend-api/hooks/index.ts

@@ -1,3 +1,5 @@
+export { getAssetPictureKey, useGetAssetPicture } from "./use-get-asset-picture.hook"
+export type { AssetPictureQuery } from "./use-get-asset-picture.hook"
 export { getAssetKey, useGetAsset } from "./use-get-asset.hook"
 export { getAssetVariantsKey, useGetAssetVariants } from "./use-get-asset-variants.hook"
 export { getAssetsListKey, useGetAssetsList } from "./use-get-assets-list.hook"