I know this may sound like the opposite of what people wanted in the past from this mod (add landfill to every building in a bp when over water) but I actually like to not mess with the natural structure of the world in my saves, and pasting without paying attention as of 2.0 will add them with no way to control this AFAIK (other than not researching landfill which is not feasible with gleba recipes).
It would really be appreciated if either within this mod or as a small standalone mod this "functionality" (for me at least) could be reintroduced. I also used to have something similar for protecting cliffs pre-2.0 (https://mods.factorio.com/mod/NoCliffDeconstruction) but it is no longer updated/maintained and outside the scope of this mod regardless.