set is_ground_content for honey block, chicken egg and beehive (thx SwissAlpS)

bee.lua

@@ -90,6 +90,7 @@ minetest.register_node(":mobs:beehive", {
 	sunlight_propagates = true,
 	walkable = true,
 	groups = {oddly_breakable_by_hand = 3, flammable = 1, disable_suffocation = 1},
+	is_ground_content = false,
 	sounds = default and default.node_sound_defaults(),
 
 	on_construct = function(pos)
@@ -163,6 +164,7 @@ minetest.register_node(":mobs:honey_block", {
 	description = S("Honey Block"),
 	tiles = {"mobs_honey_block.png"},
 	groups = {snappy = 3, flammable = 2},
+	is_ground_content = false,
 	sounds = default and default.node_sound_dirt_defaults()
 })
 

chicken.lua

@@ -252,7 +252,7 @@ minetest.register_node(":mobs:egg", {
 	wield_image = "mobs_chicken_egg.png",
 	paramtype = "light",
 	walkable = false,
-	is_ground_content = true,
+	is_ground_content = false,
 	sunlight_propagates = true,
 	selection_box = {
 		type = "fixed",