Extra check (#10)

* colors and materials

* traverse for colors

* fix multipolygons in 3d

* prioritize attributes by default, less geometry divisions

* fix multipolygons

* split polygons in leaflet

* ensure speckleURL argument

* avoid multiple loops

* URL exceptions handling

* add bbox per feature

* leaflet controls to the right

* html syntax

* double-check for display vals

pygeoapi/provider/speckle_utils/display_utils.py

@@ -165,11 +165,11 @@ def get_single_display_object(displayValForColor: List) -> "Base":
                 except IndexError:
                     break
         elif item is not None:
-            displayValForColor = item
+            return item
 
     mesh = Mesh.create(faces= faces, vertices=verts, colors=colors)
 
-    if len(displayValForColor)>0:
+    if isinstance(displayValForColor, List) and len(displayValForColor)>0:
         for prop in displayValForColor[0].get_member_names():
             if prop not in ["colors", "vertices", "faces"]:
                 mesh[prop] = getattr(displayValForColor[0], prop)