chore: Bump version to 0.12.13 and update documentation for color space handling

tools/validate_depth_plane_asset.py

@@ -13,7 +13,7 @@ sys.path.insert(
 
 from snapform.blender.depth_plane import (
     DEPTH_PLANE_MATERIAL_NODE_GROUP_NAME,
-    MATERIAL_COLOR_SPACE,
+    material_color_space_name,
     SHADELESS_NODE_GROUP_NAME,
     SURFACE_MATERIAL_NODE_GROUP_NAME,
     add_depth_plane_processing,
@@ -273,7 +273,9 @@ def main():
         "Shadow or Reflection?": "MAXIMUM",
         "Shadow, Reflect or Refract?": "MAXIMUM",
     }
-    assert foreground.colorspace_settings.name == MATERIAL_COLOR_SPACE
+    assert foreground.colorspace_settings.name == material_color_space_name(
+        bpy.context.scene
+    )
     surface_material = create_material("Surface", foreground, 1.0)
     surface_group = bpy.data.node_groups[SURFACE_MATERIAL_NODE_GROUP_NAME]
     surface_group_nodes = [