the main difference is passing the `File` object to the provider
instead of a `View` + path
Old providers will still continue to work as before
Signed-off-by: Robin Appelman <robin@icewind.nl>
- implement isAvailable
- run tests only if ImageMagick with HEIC support is available in the
environment
Signed-off-by: Sebastian Steinmetz <me@sebastiansteinmetz.ch>
