Use first layer/profile from the set to pick up the material #5238

As currently we do not support multilayer/profile geometry and therefore we can't correctly represent them when they have multiple styles. As a workaround we'll use the material/style from the first layer and apply it to the entire object.

src/bonsai/bonsai/tool/geometry.py

@@ -582,6 +582,7 @@ class Geometry(bonsai.core.tool.Geometry):
         settings = ifcopenshell.geom.settings()
         settings.set("weld-vertices", True)
         settings.set("apply-default-materials", False)
+        settings.set("layerset-first", True)
         settings.set("keep-bounding-boxes", True)
         context = representation.ContextOfItems
 

src/bonsai/bonsai/tool/loader.py

@@ -568,6 +568,7 @@ class Loader(bonsai.core.tool.Loader):
             settings.set("context-ids", [context.id()])
             settings.set("apply-default-materials", False)
             settings.set("keep-bounding-boxes", True)
+            settings.set("layerset-first", True)
             if is_gross:
                 settings.set("disable-opening-subtractions", True)
             results.append(settings)