添加武器长枪 + bug fix

- WeaponLance：Entity/Goods/Weapon 表，状态机
- Battle -> Shop/LevelUp：隐藏子弹

Assets/GameMain/Scripts/Procedure/Game/GameStateBattle.cs

@@ -92,14 +92,9 @@ namespace Procedure
                 GameEntry.Entity.HideEntity(entity.Id);
             }
 
-            var enemyProjectiles = GameEntry.Entity.GetEntityGroup("EnemyProjectile")?.GetAllEntities();
-            if (enemyProjectiles != null)
-            {
-                foreach (var projectile in enemyProjectiles)
-                {
-                    GameEntry.Entity.HideEntity(projectile.Id);
-                }
-            }
+            HideEntityGroup("Bullet");
+            HideEntityGroup("Projectile");
+            HideEntityGroup("EnemyProjectile");
         }
 
         public override void OnDestroy(IFsm<IProcedureManager> procedureOwner)
@@ -108,6 +103,21 @@ namespace Procedure
             _procedureGame = null;
         }
 
+        private static void HideEntityGroup(string groupName)
+        {
+            var entityGroup = GameEntry.Entity.GetEntityGroup(groupName);
+            var entities = entityGroup?.GetAllEntities();
+            if (entities == null)
+            {
+                return;
+            }
+
+            foreach (var entity in entities)
+            {
+                GameEntry.Entity.HideEntity(entity.Id);
+            }
+        }
+
         #endregion
     }
 }