fix(squash): display component_code in admin, not key

Author: kdmccormick

src/openedx_content/applets/components/admin.py

@@ -37,12 +37,12 @@ class ComponentAdmin(ReadOnlyModelAdmin):
     """
     Django admin configuration for Component
     """
-    list_display = ("key", "uuid", "component_type", "created")
+    list_display = ("component_code", "uuid", "component_type", "created")
     readonly_fields = [
         "learning_package",
         "uuid",
         "component_type",
-        "key",
+        "component_code",
         "created",
     ]
     list_filter = ("component_type", "learning_package")