Update slots to support assigning to specific items

Assets/Prefabs/Environment/LuringSpotC.prefab

@@ -86,6 +86,7 @@ PolygonCollider2D:
   m_UseDelaunayMesh: 0
 --- !u!212 &2825253017896168654
 SpriteRenderer:
+  serializedVersion: 2
   m_ObjectHideFlags: 0
   m_CorrespondingSourceObject: {fileID: 0}
   m_PrefabInstance: {fileID: 0}
@@ -131,6 +132,7 @@ SpriteRenderer:
   m_SortingLayerID: 0
   m_SortingLayer: 0
   m_SortingOrder: 1
+  m_MaskInteraction: 0
   m_Sprite: {fileID: -642587728066523507, guid: 95d6dbee5cb1f694c971791ee60cad14, type: 3}
   m_Color: {r: 1, g: 1, b: 1, a: 1}
   m_FlipX: 0
@@ -140,7 +142,6 @@ SpriteRenderer:
   m_AdaptiveModeThreshold: 0.5
   m_SpriteTileMode: 0
   m_WasSpriteAssigned: 1
-  m_MaskInteraction: 0
   m_SpriteSortPoint: 1
 --- !u!1 &4316370833098727305
 GameObject:
@@ -176,6 +177,7 @@ Transform:
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!212 &3806274462998212361
 SpriteRenderer:
+  serializedVersion: 2
   m_ObjectHideFlags: 0
   m_CorrespondingSourceObject: {fileID: 0}
   m_PrefabInstance: {fileID: 0}
@@ -221,6 +223,7 @@ SpriteRenderer:
   m_SortingLayerID: 0
   m_SortingLayer: 0
   m_SortingOrder: 1
+  m_MaskInteraction: 0
   m_Sprite: {fileID: 0}
   m_Color: {r: 1, g: 1, b: 1, a: 1}
   m_FlipX: 0
@@ -230,7 +233,6 @@ SpriteRenderer:
   m_AdaptiveModeThreshold: 0.5
   m_SpriteTileMode: 0
   m_WasSpriteAssigned: 0
-  m_MaskInteraction: 0
   m_SpriteSortPoint: 1
 --- !u!1 &7145022056631397938
 GameObject: