water polygons overlap land

[koufopoulosf]

Hey there 👋,

I noticed an issue that seems to be linked to how the process.lua handles water polygons, as half of the country appears overlapped by an extra layer of ocean.

Specifically, it's affecting Malta, which is the country located below Italy:

In the first screenshot, you'll notice a line extending from the main island into the ocean. Upon further zooming in the second screenshot, a polygon layer appears covering half of the island. However, upon closer inspection in the third screenshot, the additional layer disappears, and the island returns to its normal appearance.

You can also see how the country appears on the map at https://versatiles.org/. Additionally, this issue occurs not only in Malta but also in Denmark (Odense).