Fix missing step arg in save listeners

Author: seratch

slack_bolt/util/payload_utils.py

@@ -222,6 +222,9 @@ def to_step(body: Dict[str, Any]) -> Optional[Dict[str, Any]]:
     # edit
     if is_workflow_step_edit(body):
         return body["workflow_step"]
+    # save
+    if is_workflow_step_save(body):
+        return body["workflow_step"]
     # execute
     if is_workflow_step_execute(body):
         return body["event"]["workflow_step"]

tests/scenario_tests/test_workflow_steps.py

@@ -325,7 +325,9 @@ def edit(ack: Ack, step, configure: Configure):
     )
 
 
-def save(ack: Ack, view: dict, update: Update):
+def save(ack: Ack, step: dict, view: dict, update: Update):
+    assert step is not None
+    assert view is not None
     state_values = view["state"]["values"]
     update(
         inputs={

tests/scenario_tests_async/test_workflow_steps.py

@@ -344,7 +344,9 @@ async def edit(ack: AsyncAck, step, configure: AsyncConfigure):
     )
 
 
-async def save(ack: AsyncAck, view: dict, update: AsyncUpdate):
+async def save(ack: AsyncAck, step: dict, view: dict, update: AsyncUpdate):
+    assert step is not None
+    assert view is not None
     state_values = view["state"]["values"]
     await update(
         inputs={