This PR finally reworks most of simple mobs hunger mechanics to make them not eating like crazy.
corgies and foxes use generic formula instead of weird ass formula.
Max nutrition values have been adjusted and tested for cats, corgies, foxes, dogs, mice. They would last 30-40 minutes depending on mob's size. Mice lasts 20 minutes. Also this rework makes these mobs have proper max values so you don't need to feed IAN 6 steaks in order to fill it up.
simple mobs with nutrition equal or below 5% will automatically seek food.
Rat king now adjusts it's nutrition stats according to the growth.
Mob sizes have been changed to make more sense(since pugs were bigger than corgies, cats and foxes).
Starving mobs will now try and steal food from people's hands instead of begging. They still beg if they are just hungry.
Fixes#6257
Fixes simple mobs begging food from people far away(supposed to be only adjacent)
99bdb3f932