fix(workflow_engine): Add the name of the workflow to serialized output (#89931)

## Description
Looks like the name field was missed in the initialize serializer work.
Just adding it in before the demo this afternoon.

Author: saponifi3d

src/sentry/workflow_engine/endpoints/serializers.py

@@ -351,6 +351,7 @@ def get_attrs(self, item_list, user, **kwargs) -> MutableMapping[Workflow, dict[
     def serialize(self, obj: Workflow, attrs: Mapping[str, Any], user, **kwargs) -> dict[str, Any]:
         return {
             "id": str(obj.id),
+            "name": str(obj.name),
             "organizationId": str(obj.organization_id),
             "dateCreated": obj.date_added,
             "dateUpdated": obj.date_updated,

tests/sentry/workflow_engine/endpoints/test_serializers.py

@@ -346,6 +346,7 @@ def test_serialize_simple(self):
 
         assert result == {
             "id": str(workflow.id),
+            "name": str(workflow.name),
             "organizationId": str(self.organization.id),
             "config": {},
             "dateCreated": workflow.date_added,
@@ -403,6 +404,7 @@ def test_serialize_full(self):
 
         assert result == {
             "id": str(workflow.id),
+            "name": str(workflow.name),
             "organizationId": str(self.organization.id),
             "config": {},
             "dateCreated": workflow.date_added,