fix: downgrade exiftool-vendored to fix motion photo extraction (#11145)

* Revert "chore(server): update exiftool and migrate off deprecated method signatures (#10367)"

This reverts commit 1b67ea2d

* fix: downgrade exiftool-vendored to 26.0.0

* chore: change motionphoto filenames to be kebab-case

* test: add pixel 6 pro motionphoto e2e test case

* test: add pixel 8a motion photo

* chore: update test-assets submodule pointer

server/package.json

@@ -60,7 +60,7 @@
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.0",
     "cookie-parser": "^1.4.6",
-    "exiftool-vendored": "~27.0.0",
+    "exiftool-vendored": "26.0.0",
     "fast-glob": "^3.3.2",
     "fluent-ffmpeg": "^2.1.2",
     "geo-tz": "^8.0.0",