Read defense, bulk and primary attr from the cache ItemTemplate

item_defense_rating, item_bulk_factor and item_primary_attr are
Item-only fields, not on CObjectTemplate, so their consumers read
engine.parsers.objects.ItemTemplate._items by templateID, like the
RuneTemplate and DeedTemplate consumers. The primary attr checks
compare with == because the cache template leaves the attr null
(legacy: None) on non-weapons.

Parity (offline, scripts/p14.py, 7586 templates): 0 differences in
item_defense_rating, item_bulk_factor and item_primary_attr. Every DB
ARMOR and WEAPON template is in the ITEM folder, so both sides gate
these fields on the same templates. No value changes expected.

JSON-Refactor-Plan Task 1.4.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/engine/objects/AbstractCharacter.java

@@ -778,7 +778,7 @@ public abstract class AbstractCharacter extends AbstractWorldObject {
             min = damages[0];
             max = damages[1];
 
-            strBased = weaponTemplate.item_primary_attr.equals(AttributeType.Strength);
+            strBased = engine.parsers.objects.ItemTemplate._items.get(weapon.templateID).item_primary_attr == AttributeType.Strength;
         }
 
         if (abstractCharacter.effects != null && abstractCharacter.effects.containsKey("DeathShroud"))
@@ -970,7 +970,7 @@ public abstract class AbstractCharacter extends AbstractWorldObject {
         } else
             skillMod = blockSkill.getModifiedAmount();
 
-        float def = template.item_defense_rating;
+        float def = engine.parsers.objects.ItemTemplate._items.get(shield.templateID).item_defense_rating;
 
         //apply item defense bonuses
 
@@ -1001,20 +1001,20 @@ public abstract class AbstractCharacter extends AbstractWorldObject {
             return 0;
 
         if (armor.template.item_skill_used.isEmpty())
-            return template.item_defense_rating;
+            return engine.parsers.objects.ItemTemplate._items.get(armor.templateID).item_defense_rating;
 
         CharacterSkill armorSkill = abstractCharacter.skills.get(armor.template.item_skill_used);
 
         if (abstractCharacter.getObjectType().equals(GameObjectType.PlayerCharacter) && armorSkill == null) {
             Logger.error("Player " + abstractCharacter.getObjectUUID()
                     + " has armor equipped without the nescessary skill to equip it");
-            return template.item_defense_rating;
+            return engine.parsers.objects.ItemTemplate._items.get(armor.templateID).item_defense_rating;
         }
 
         if (armorSkill == null)
-            return template.item_defense_rating;  // Mobiles do not have armor skills @TODO
+            return engine.parsers.objects.ItemTemplate._items.get(armor.templateID).item_defense_rating;  // Mobiles do not have armor skills @TODO
 
-        float def = template.item_defense_rating;
+        float def = engine.parsers.objects.ItemTemplate._items.get(armor.templateID).item_defense_rating;
 
         //apply item defense bonuses