Overlay have the wrong x-Positions for second page in double page

[ChrisBethgster]

Sample:
https://opendata2.uni-halle.de/explore?bitstream_id=b7cbef79-b22c-4d05-a8e3-ac8468dc80e7&handle=1516514412012/249785&provider=iiif-image
Page: [Seite 6] + [Seite 7]

Manifest: https://opendata2.uni-halle.de//json/iiif/1516514412012/249785/de84c7c9-0fcc-46d4-8078-f322d7bc55ad/manifest

Versions;

• mirador: 3.3.0
• mirador-textoverlay: 0.3.7

The overlay works for single page view. In double page view and the left page goes over the middle, the overlay for the second page have the wrong positions.