Call update_groupcaps from load_enchantments

This avoids the need to call the function from on_enchant for unbreaking
and efficiency.

mods/ITEMS/mcl_enchanting/enchantments.lua

@@ -97,8 +97,9 @@ mcl_enchanting.enchantments.efficiency = {
 	weight = 10,
 	description = S("Increases mining speed."),
 	curse = false,
-	on_enchant = function(itemstack, level)
+	on_enchant = function()
-		mcl_enchanting.update_groupcaps(itemstack)
+		-- Updating digging speed is handled by update_groupcaps which
+		-- is called from load_enchantments.
 	end,
 	requires_tool = false,
 	treasure = false,
@@ -671,8 +672,8 @@ mcl_enchanting.enchantments.unbreaking = {
 		tool_capabilities.punch_attack_uses = tool_capabilities.punch_attack_uses * (1 + level)
 		itemstack:get_meta():set_tool_capabilities(tool_capabilities)
 
-		-- Unbreaking for groupcaps is handled in this function.
+		-- Updating digging durability is handled by update_groupcaps
-		mcl_enchanting.update_groupcaps(itemstack)
+		-- which is called from load_enchantments.
 	end,
 	requires_tool = true,
 	treasure = false,

mods/ITEMS/mcl_enchanting/engine.lua

@@ -34,6 +34,7 @@ function mcl_enchanting.load_enchantments(itemstack, enchantments)
 				enchantment_def.on_enchant(itemstack, level)
 			end
 		end
+		mcl_enchanting.update_groupcaps(itemstack)
 	end
 	tt.reload_itemstack_description(itemstack)
 end