chore(aci): add flag to GET OrganizationIncidentIndex

Author: klochek

src/sentry/features/temporary.py

@@ -458,6 +458,9 @@ def register_temporary_features(manager: FeatureManager) -> None:
     # Use workflow engine exclusively for legacy issue alert rule.get results.
     # See src/sentry/workflow_engine/docs/legacy_backport.md for context.
     manager.add("organizations:workflow-engine-issue-alert-endpoints-get", OrganizationFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=False)
+    # Use workflow engine exclusively for OrganizationIncidentIndexEndpoint.get results.
+    # See src/sentry/workflow_engine/docs/legacy_backport.md for context.
+    manager.add("organizations:workflow-engine-orgincidentindex-get", OrganizationFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=False)
     # Use workflow engine exclusively for OrganizationAlertRuleDetailsEndpoint.get results.
     # See src/sentry/workflow_engine/docs/legacy_backport.md for context.
     manager.add("organizations:workflow-engine-orgalertruledetails-get", OrganizationFeature, FeatureHandlerStrategy.FLAGPOLE, api_expose=False)

src/sentry/incidents/endpoints/organization_incident_index.py

@@ -81,7 +81,7 @@ def get(self, request: Request, organization: Organization) -> Response:
 
         use_workflow_engine = features.has(
             "organizations:workflow-engine-rule-serializers", organization
-        )
+        ) or features.has("organizations:workflow-engine-orgincidentindex-get", organization)
 
         if use_workflow_engine:
             return self._get_workflow_engine(