fix: display the full-name of the image build

build.py

@@ -262,7 +262,7 @@ def build(debian_dists: List[str], images: List[CubicWebImage] = [], rebuild=Fal
     for image in images:
         for image_type in (None, "onbuild"):
             built = build_image(image, image_type)
-            conditionnal_append(built_images, failed_images, built, image)
+            conditionnal_append(built_images, failed_images, built, f"{image}-{image_type}")
 
             # Do no try to update image not built
             if built and rebuild and image_type is None: