Fix various loot tables

data/minecraft/loot_tables/chests/desert_pyramid.json

@@ -22,7 +22,7 @@
 				},
 				{
 					"type": "minecraft:item",
-					"name": "minecraft:copper_axe",
+					"name": "minecraft:stone_axe",
 					"weight": 3
 				},
 				{

data/minecraft/loot_tables/chests/simple_dungeon.json

@@ -43,7 +43,7 @@
 					"type": "minecraft:item",
 					"name": "minecraft:iron_ingot",
 					"functions":[{
-						"type":"minecraft:set_count",
+						"function":"minecraft:set_count",
 						"count":{"type":"minecraft:uniform","min":1,"max":4},
 						"add":true
 					}],
@@ -56,7 +56,7 @@
 				},
 				{
 					"type": "minecraft:item",
-					"name": "minecraft:golden_ingot",
+					"name": "minecraft:gold_ingot",
 					"weight": 5
 				},
 				{

data/minecraft/loot_tables/chests/village/village_armorer.json

@@ -38,7 +38,7 @@
                 },
                 {
                     "type": "minecraft:item",
-                    "name": "minecraft:chainmail_helmet"
+                    "name": "advanced_copper:copper_armor_helmet"
                 },
                 {
                     "type": "minecraft:item",