Made things into tools to display enemy icons on spawner marks

Resources/Items/Spider_Bomb_Pickup.tres

@@ -16,15 +16,15 @@ metadata/_custom_type_script = "uid://cyipg3seetrxd"
 
 [sub_resource type="Resource" id="Resource_v5a4k"]
 script = ExtResource("1_qd764")
-Name = null
+Name = &""
 BulletData = ExtResource("2_gpot4")
 RateOfFire = 1.0
 BulletCapacity = 10
 ReloadTime = 1.0
 AutoReload = true
 InfiniteAmmo = true
-ItemKey = null
-AmmoKey = null
+ItemKey = &""
+AmmoKey = &""
 BulletsPerShot = 1
 SpreadAngle = 0.0
 RandomSpread = 0.0
@@ -34,7 +34,7 @@ metadata/_custom_type_script = "uid://b6fmrnipv88bk"
 [resource]
 script = ExtResource("1_lus3u")
 ItemName = &"SnowBall Bomb"
-ShortName = null
+ShortName = &""
 ItemDescription = &"A snowball packed of explosive, explodes on contact"
 ItemKey = &"SPIDER_BOMB"
 Item = 5