chore: 외부 에셋 권한 및 줄바꿈 재기록 반영

- Assets/External 하위 샘플 및 서드파티 에셋 파일의 실행 비트 변경을 별도 커밋으로 분리
- PolygonGeneric, SidekickCharacters, Synty 도구 자산 전반의 줄바꿈 및 재직렬화 차이를 그대로 보존
- 프로젝트 고유 로직 변경과 분리해 이후 히스토리에서 외부 에셋 노이즈 범위를 식별하기 쉽게 정리

Assets/External/Models/PolygonDarkFortress/Materials/Brick/Brick_Large_01.mat

@@ -45,7 +45,7 @@ Material:
   m_LightmapFlags: 4
   m_EnableInstancingVariants: 0
   m_DoubleSidedGI: 0
-  m_CustomRenderQueue: -1
+  m_CustomRenderQueue: 2450
   stringTagMap: {}
   disabledShaderPasses:
   - MOTIONVECTORS
@@ -57,6 +57,10 @@ Material:
         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
+    - _Alpha_Texture:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
     - _Base_Texture:
         m_Texture: {fileID: 2800000, guid: 9614e1c2eb9ea3240a97d2245414317b, type: 3}
         m_Scale: {x: 1, y: 1}
@@ -158,6 +162,8 @@ Material:
     - _AO_Intensity: 1
     - _AlphaClip: 1
     - _AlphaToMask: 1
+    - _Alpha_Clip_Threshold: 0.5
+    - _Alpha_Transparency: 1
     - _BUILTIN_AlphaClip: 0
     - _BUILTIN_Blend: 0
     - _BUILTIN_CullMode: 2
@@ -179,12 +185,14 @@ Material:
     - _Cutoff: 0.5
     - _DetailNormalMapScale: 1
     - _DstBlend: 0
+    - _DstBlendAlpha: 0
     - _Enable_Ambient_Occlusion: 0
     - _Enable_Base_Texture: 1
     - _Enable_Emission_Texture: 0
     - _Enable_Normal_Texture: 1
     - _Enable_Overlay_Texture: 0
     - _Enable_Snow: 0
+    - _Enable_Transparency: 0
     - _Enable_Triplanar_Emission: 0
     - _Enable_Triplanar_Normals: 0
     - _Enable_Triplanar_Texture: 1
@@ -213,6 +221,7 @@ Material:
     - _Snow_Use_World_Up: 1
     - _SpecularHighlights: 1
     - _SrcBlend: 1
+    - _SrcBlendAlpha: 1
     - _Surface: 0
     - _Top_Metallic: 0
     - _Top_Smoothness: 0
@@ -228,6 +237,7 @@ Material:
     - _Triplanar_Normal_Top_To_Side_Difference: 0.2
     - _Triplanar_Top_To_Side_Difference: 0.2
     - _UVSec: 0
+    - _Use_Separate_Alpha_Map: 0
     - _WorkflowMode: 1
     - _ZTest: 4
     - _ZWrite: 1
@@ -235,6 +245,8 @@ Material:
     m_Colors:
     - _AO_Offset: {r: 0, g: 0, b: 0, a: 0}
     - _AO_Tiling: {r: 1, g: 1, b: 0, a: 0}
+    - _Alpha_Offset: {r: 0, g: 0, b: 0, a: 0}
+    - _Alpha_Tiling: {r: 1, g: 1, b: 0, a: 0}
     - _Base_Offset: {r: 0, g: 0, b: 0, a: 0}
     - _Base_Tiling: {r: 1, g: 1, b: 0, a: 0}
     - _Color: {r: 1, g: 1, b: 1, a: 1}