Focus goes away when taking a picture

1. Start Megapixels
2. Preview the target area
3. Adjust focus
4. Press the picture button

Expected: focus doesn't change

Actual: the resulting picture is all blurry

Notes: using Megapixel set to the middle resolution, kernel uses this https://source.puri.sm/Librem5/linux-next/-/issues/317#note_157305