"Reset focal point" does not center the focal point indicator

[vincentgercke]

Description:

When clicking "Reset focal point" on an image field in an Item, the focal point circle is not reset to the center of the image. It appears offset to the right and downward.

Steps to reproduce:

1. Go to an Item with an image field
2. Set a custom focal point on the image
3. Click "Reset focal point"
4. Observe the focal point circle position

Expected behavior:
The focal point indicator should reset to the exact center of the image.

Actual behavior:
The focal point is offset to the right and below center.

Screenshot: