Create Workflow Form action (#10509)

- create form action
- add `pendingEvent` to executor output
- when receiving pendingEvent, exit workflow execution
- let the workflow in running status for now before taking a decision

packages/twenty-server/src/modules/workflow/common/workspace-services/workflow-version-step.workspace-service.ts

@@ -33,7 +33,6 @@ import {
 const TRIGGER_STEP_ID = 'trigger';
 
 const BASE_STEP_DEFINITION: BaseWorkflowActionSettings = {
-  input: {},
   outputSchema: {},
   errorHandlingOptions: {
     continueOnFailure: {