chore: Fix formatting of vertex shader (#3280)

Fix formatting of vertex shader.

packages/flame_3d/shaders/spatial_material.vert

@@ -17,17 +17,17 @@ uniform VertexInfo {
 } vertex_info;
 
 void main() {
-    // Calculate the modelview projection matrix
-    mat4 modelViewProjection = vertex_info.projection * vertex_info.view * vertex_info.model;
+  // Calculate the modelview projection matrix
+  mat4 modelViewProjection = vertex_info.projection * vertex_info.view * vertex_info.model;
 
-    // Transform the vertex position
-    gl_Position = modelViewProjection * vec4(vertexPosition, 1.0);
+  // Transform the vertex position
+  gl_Position = modelViewProjection * vec4(vertexPosition, 1.0);
 
-    // Pass the interpolated values to the fragment shader
-    fragTexCoord = vertexTexCoord;
-    fragColor = vertexColor;
-    
-    // Calculate the world-space position and normal
-    fragPosition = vec3(vertex_info.model * vec4(vertexPosition, 1.0));
-    fragNormal = mat3(transpose(inverse(vertex_info.model))) * vertexNormal;
+  // Pass the interpolated values to the fragment shader
+  fragTexCoord = vertexTexCoord;
+  fragColor = vertexColor;
+
+  // Calculate the world-space position and normal
+  fragPosition = vec3(vertex_info.model * vec4(vertexPosition, 1.0));
+  fragNormal = mat3(transpose(inverse(vertex_info.model))) * vertexNormal;
 }