Add setting to ignore non-player inventory actions

[OgelGames]

Pipeworks creates a lot of log spam moving items around, which was increased by #360. I think it would be a good idea to add a setting to ignore non-player inventory actions, like default does (maybe it could read the same setting): https://github.com/minetest/minetest_game/blob/511619253facd524df75ae44537d7b2c4e30a8db/mods/default/functions.lua#L729-L745