Try to handle enum format changes between 3.10 and 3.11+

f'{Foo.A}' uses str.__format__ in 3.10 but enum.__format__ in 3.11+.
Use the name attribute to work with the string directly to ensure the
same behaviour in both environments.

src/blueapi/cli/format.py

@@ -106,7 +106,7 @@ def display_compact(obj: Any, stream: Stream):
         case DataEvent(name=name):
             print(f"Data Event: {name}")
         case WorkerEvent(state=state):
-            print(f"Worker Event: {state}")
+            print(f"Worker Event: {state.name}")
         case ProgressEvent(statuses=stats):
             prog = (
                 max(100 * (s.percentage or 0) for s in stats.values())

tests/test_cli.py

@@ -551,13 +551,11 @@ def test_event_formatting():
             """"errors": [], "warnings": []}\n"""
         ),
     )
-    _assert_matching_formatting(
-        OutputFormat.COMPACT, worker, "Worker Event: WorkerState.RUNNING\n"
-    )
+    _assert_matching_formatting(OutputFormat.COMPACT, worker, "Worker Event: RUNNING\n")
     _assert_matching_formatting(
         OutputFormat.FULL,
         worker,
-        "WorkerEvent: WorkerState.RUNNING\n    task_id: count\n",
+        "WorkerEvent: RUNNING\n    task_id: count\n",
     )
 
     _assert_matching_formatting(