Incompatiblity with moresnow and farming

[orbea]

minetest-0.4.16-x86_64-1_SBo
minetest_game-0.4.16-x86_64-1_SBo

When the mods handle_schematics, mg_villages and moresnow are enabled any time a player tries to harvest wheat in a snowy village where the wheat fields are covered with snow the resulting snowball will harvest the entire field and all dropped items are lost.

To reproduce.

1. Enable handle_schematics, mg_villages and moresnow.
2. Find a snowy village.
3. Find a snow covered wheat field.
4. Try to harvest the wheat and the entire field is harvested / lost.
5. This will occur even if mg_villages.ENABLE_PROTECTION is set to true.