utils: Prioritize .id over .name to identify elements in thread_pool()

There are more chances that an `id` property is actually unique than a
`name` property, so let's attempt to use it before `name` when
reporting the element `thread_pool()` is working on.

Signed-off-by: Emanuele Aina <emanuele.aina@collabora.com>

bin/utils.py

@@ -8,10 +8,10 @@ def item_id(item):
     itemid = None
     if logging.root.level <= logging.DEBUG:
         itemid = getattr(item, "path_with_namespace", None)
-        if itemid is None:
-            itemid = getattr(item, "name", None)
         if itemid is None:
             itemid = getattr(item, "id", None)
+        if itemid is None:
+            itemid = getattr(item, "name", None)
         if itemid is None and isinstance(item, str):
             itemid = item
         if itemid is None and isinstance(item, collections.Sequence):