Correct Keyerror for h-label cls in label_groups for dm_label_categor…

…ies using label's id/key (#3932)

Modify label_groups for dm_label_categories with id/key of label

src/otx/core/types/label.py

@@ -229,7 +229,32 @@ def get_label_tree_edges(dm_label_items: list[LabelCategories]) -> list[list[str
             """Get label tree edges information. Each edges represent [child, parent]."""
             return [[item.name, item.parent] for item in dm_label_items if item.parent != ""]
 
-        all_groups = [label_group.labels for label_group in dm_label_categories.label_groups]
+        def convert_labels_if_needed(
+            dm_label_categories: LabelCategories,
+            label_names: list[str],
+        ) -> list[list[str]]:
+            # Check if the labels need conversion and create name to ID mapping if required
+            name_to_id_mapping = None
+            for label_group in dm_label_categories.label_groups:
+                if label_group.labels and label_group.labels[0] not in label_names:
+                    name_to_id_mapping = {
+                        attr[len("__name__") :]: category.name
+                        for category in dm_label_categories.items
+                        for attr in category.attributes
+                        if attr.startswith("__name__")
+                    }
+                    break
+
+            # If mapping exists, update the labels
+            if name_to_id_mapping:
+                for label_group in dm_label_categories.label_groups:
+                    label_group.labels = [name_to_id_mapping.get(label, label) for label in label_group.labels]
+
+            # Retrieve all label groups after conversion
+            return [group.labels for group in dm_label_categories.label_groups]
+
+        label_names = [item.name for item in dm_label_categories.items]
+        all_groups = convert_labels_if_needed(dm_label_categories, label_names)
 
         exclusive_group_info = get_exclusive_group_info(all_groups)
         single_label_group_info = get_single_label_group_info(all_groups, exclusive_group_info["num_multiclass_heads"])
@@ -240,7 +265,7 @@ def get_label_tree_edges(dm_label_items: list[LabelCategories]) -> list[list[str
         )
 
         return HLabelInfo(
-            label_names=[item.name for item in dm_label_categories.items],
+            label_names=label_names,
             label_groups=all_groups,
             num_multiclass_heads=exclusive_group_info["num_multiclass_heads"],
             num_multilabel_classes=single_label_group_info["num_multilabel_classes"],