feat(server): JXL previews from DNG 1.7+ (#17861)

* feat(server): JXL previews from RAW

* refactor(server): use var name assumedExtractedFormat for clarity

* test(server): fix existing media.extract() returning JPEG

* chore(openapi): regen

* style(server): lint

* fix(server): ignore undefined decode orientation

* fix(server): correct orientation assignment in media decode options

* test(server): unit tests of JXL-encoded DNG

* refactor(server): return buffer and format from mediaRepository.extract()

* chore(open-api): regen

* refactor

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Co-authored-by: mertalev <101130780+mertalev@users.noreply.github.com>

server/test/repositories/media.repository.mock.ts

@@ -8,7 +8,7 @@ export const newMediaRepositoryMock = (): Mocked<RepositoryInterface<MediaReposi
     writeExif: vitest.fn().mockImplementation(() => Promise.resolve()),
     generateThumbhash: vitest.fn().mockResolvedValue(Buffer.from('')),
     decodeImage: vitest.fn().mockResolvedValue({ data: Buffer.from(''), info: {} }),
-    extract: vitest.fn().mockResolvedValue(false),
+    extract: vitest.fn().mockResolvedValue(null),
     probe: vitest.fn(),
     transcode: vitest.fn(),
     getImageDimensions: vitest.fn(),