fix: use order_by(version_num) instead of filter(version_num=1) in creation entries

Author: ChrisChV

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

@@ -391,7 +391,7 @@ def get_library_component_creation_entry(
     Return the creation entry for a library component.
 
     This is a single LibraryHistoryEntry representing the moment the
-    component was first created (version_num=1). Returns None if the component
+    component was first created. Returns None if the component
     has no versions yet.
 
     Raises ContentLibraryBlockNotFound if the component does not exist.
@@ -401,9 +401,10 @@ def get_library_component_creation_entry(
     except ObjectDoesNotExist as exc:
         raise ContentLibraryBlockNotFound(usage_key) from exc
 
+    # TODO: replace with component.versioning.earliest once VersioningHelper exposes that helper.
     first_version = (
         component.publishable_entity.versions
-        .filter(version_num=1)
+        .order_by('version_num')
         .select_related("created_by__profile")
         .first()
     )

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

@@ -813,13 +813,14 @@ def get_library_container_creation_entry(
     [ 🛑 UNSTABLE ] Return the creation entry for a library container.
 
     This is a single LibraryHistoryEntry representing the moment the container
-    was first created (version_num=1). Returns None if the container has no
+    was first created. Returns None if the container has no
     versions yet.
     """
     container = get_container_from_key(container_key)
+    # TODO: replace with container.versioning.earliest once VersioningHelper exposes that helper.
     first_version = (
         container.publishable_entity.versions
-        .filter(version_num=1)
+        .order_by('version_num')
         .select_related("created_by__profile")
         .first()
     )