refactor(art): replaced art assets

Assets/Prefabs/Pre_TileBackground.prefab

@@ -24,12 +24,13 @@ Transform:
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 2914066502361773997}
+  serializedVersion: 2
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 0, y: 0, z: 0}
-  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_LocalScale: {x: 0.4, y: 0.4, z: 0.4}
+  m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 0}
-  m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!212 &3449190028058392647
 SpriteRenderer:
@@ -42,6 +43,7 @@ SpriteRenderer:
   m_CastShadows: 0
   m_ReceiveShadows: 0
   m_DynamicOccludee: 1
+  m_StaticShadowCaster: 0
   m_MotionVectors: 1
   m_LightProbeUsage: 1
   m_ReflectionProbeUsage: 1
@@ -76,7 +78,7 @@ SpriteRenderer:
   m_FlipX: 0
   m_FlipY: 0
   m_DrawMode: 0
-  m_Size: {x: 0.90625, y: 0.90625}
+  m_Size: {x: 2.32, y: 2.32}
   m_AdaptiveModeThreshold: 0.5
   m_SpriteTileMode: 0
   m_WasSpriteAssigned: 1