fix: rename api method to library_container_locator

since container keys are locators, not usage keys

Author: pomegranited

openedx/core/djangoapps/content/search/api.py

@@ -481,7 +481,7 @@ def index_container_batch(batch, num_done, library_key) -> int:
             docs = []
             for container in batch:
                 try:
-                    container_key = lib_api.library_container_usage_key(
+                    container_key = lib_api.library_container_locator(
                         library_key,
                         container,
                     )

openedx/core/djangoapps/content_libraries/api/containers.py

@@ -30,7 +30,7 @@
     "get_container",
     "create_container",
     "get_container_children",
-    "library_container_usage_key",
+    "library_container_locator",
 ]
 
 
@@ -52,7 +52,7 @@ def from_container(cls, library_key, container: authoring_models.Container, asso
         Construct a ContainerMetadata object from a Container object.
         """
         last_publish_log = container.versioning.last_publish_log
-        container_key = library_container_usage_key(
+        container_key = library_container_locator(
             library_key,
             container=container,
         )
@@ -87,7 +87,7 @@ def from_container(cls, library_key, container: authoring_models.Container, asso
         )
 
 
-def library_container_usage_key(
+def library_container_locator(
     library_key: LibraryLocatorV2,
     container: authoring_models.Container,
 ) -> LibraryContainerLocator: