fix: update billboard LED material

Author: raymonable

Assets/Models/material/LEDs.mat

@@ -11,22 +11,24 @@ Material:
   m_Shader: {fileID: 4800000, guid: 933532a4fcc9baf4fa0491de14d08ed7, type: 3}
   m_Parent: {fileID: 0}
   m_ModifiedSerializedProperties: 0
-  m_ValidKeywords: []
+  m_ValidKeywords:
+  - _ALPHATEST_ON
+  - _EMISSION
   m_InvalidKeywords: []
-  m_LightmapFlags: 4
+  m_LightmapFlags: 1
   m_EnableInstancingVariants: 0
   m_DoubleSidedGI: 0
-  m_CustomRenderQueue: -1
+  m_CustomRenderQueue: 2450
   stringTagMap:
-    RenderType: Opaque
+    RenderType: TransparentCutout
   disabledShaderPasses:
   - MOTIONVECTORS
   m_LockedProperties: 
   m_SavedProperties:
     serializedVersion: 3
     m_TexEnvs:
     - _BaseMap:
-        m_Texture: {fileID: 0}
+        m_Texture: {fileID: 2800000, guid: 936061e035c58de4492250a866e70bb7, type: 3}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
     - _BumpMap:
@@ -46,11 +48,11 @@ Material:
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
     - _EmissionMap:
-        m_Texture: {fileID: 0}
+        m_Texture: {fileID: 2800000, guid: 89989ab8487f80441ab10a62774521cc, type: 3}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
     - _MainTex:
-        m_Texture: {fileID: 0}
+        m_Texture: {fileID: 2800000, guid: 936061e035c58de4492250a866e70bb7, type: 3}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
     - _MetallicGlossMap:
@@ -84,8 +86,8 @@ Material:
     m_Ints: []
     m_Floats:
     - _AddPrecomputedVelocity: 0
-    - _AlphaClip: 0
-    - _AlphaToMask: 0
+    - _AlphaClip: 1
+    - _AlphaToMask: 1
     - _Blend: 0
     - _BlendModePreserveSpecular: 1
     - _BumpScale: 1
@@ -119,7 +121,7 @@ Material:
     m_Colors:
     - _BaseColor: {r: 0.9063317, g: 0.9063317, b: 0.9063317, a: 1}
     - _Color: {r: 0.9063317, g: 0.9063317, b: 0.9063317, a: 1}
-    - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
+    - _EmissionColor: {r: 1, g: 1, b: 1, a: 1}
     - _SpecColor: {r: 0.19999996, g: 0.19999996, b: 0.19999996, a: 1}
   m_BuildTextureStacks: []
   m_AllowLocking: 1