refactor: add lazy field to LibraryCollectionData

This is required to handle the signal asynchronously whenever the sender
does not care about the handler execution completion.

For example, whenever multiple collections are updated due to a
component being added or removed, we do not want to wait for all
collection update handlers to complete.

openedx_events/content_authoring/data.py

@@ -221,7 +221,10 @@ class LibraryCollectionData:
     Arguments:
         library_key (LibraryLocatorV2): a key that represents a Blockstore-based content library.
         collection_key (str): identifies the collection within the library's learning package
+        lazy (bool): indicate whether the sender doesn't want to wait for handler to finish execution,
+        i.e., the handler can run the task in background. By default it is False.
     """
 
     library_key = attr.ib(type=LibraryLocatorV2)
     collection_key = attr.ib(type=str)
+    lazy = attr.ib(type=bool, default=False)

openedx_events/event_bus/avro/tests/schemas/org+openedx+content_authoring+content_library+collection+created+v1_schema.avsc

@@ -16,10 +16,14 @@
           {
             "name": "collection_key",
             "type": "string"
+          },
+          {
+            "name": "lazy",
+            "type": "boolean"
           }
         ]
       }
     }
   ],
   "namespace": "org.openedx.content_authoring.content_library.collection.created.v1"
-}
+}

openedx_events/event_bus/avro/tests/schemas/org+openedx+content_authoring+content_library+collection+deleted+v1_schema.avsc

@@ -16,10 +16,14 @@
           {
             "name": "collection_key",
             "type": "string"
+          },
+          {
+            "name": "lazy",
+            "type": "boolean"
           }
         ]
       }
     }
   ],
   "namespace": "org.openedx.content_authoring.content_library.collection.deleted.v1"
-}
+}

openedx_events/event_bus/avro/tests/schemas/org+openedx+content_authoring+content_library+collection+updated+v1_schema.avsc

@@ -16,10 +16,14 @@
           {
             "name": "collection_key",
             "type": "string"
+          },
+          {
+            "name": "lazy",
+            "type": "boolean"
           }
         ]
       }
     }
   ],
   "namespace": "org.openedx.content_authoring.content_library.collection.updated.v1"
-}
+}