Always disable leafdecay for player-placed leaves, even when 'sneaking'

Avoids player-placed leaves decaying when building while sneaking, which is common.

mods/default/functions.lua

@@ -414,7 +414,7 @@ end
 -- Prevent decay of placed leaves
 
 default.after_place_leaves = function(pos, placer, itemstack, pointed_thing)
-	if placer and placer:is_player() and not placer:get_player_control().sneak then
+	if placer and placer:is_player() then
 		local node = minetest.get_node(pos)
 		node.param2 = 1
 		minetest.set_node(pos, node)