Fix empty trigger on readonly + fix cache apollo on deactivation (#9912)

- On deactivation, we should not need to refresh so the workflow
disappear from cmd+k


https://github.com/user-attachments/assets/826fa4c6-3faa-49d1-b180-ed5d3ed187e5

- When readonly, step empty, we should not see the right drawer


https://github.com/user-attachments/assets/b557ef61-da81-446d-b160-f26c4c7a5191

packages/twenty-front/src/modules/workflow/hooks/useDeactivateWorkflowVersion.ts

@@ -1,9 +1,12 @@
 import { useApolloClient, useMutation } from '@apollo/client';
 
+import { triggerUpdateRecordOptimisticEffect } from '@/apollo/optimistic-effect/utils/triggerUpdateRecordOptimisticEffect';
 import { useObjectMetadataItem } from '@/object-metadata/hooks/useObjectMetadataItem';
 import { CoreObjectNameSingular } from '@/object-metadata/types/CoreObjectNameSingular';
 import { modifyRecordFromCache } from '@/object-record/cache/utils/modifyRecordFromCache';
 import { DEACTIVATE_WORKFLOW_VERSION } from '@/workflow/graphql/mutations/deactivateWorkflowVersion';
+import { WorkflowVersion } from '@/workflow/types/Workflow';
+import { isDefined } from 'twenty-ui';
 import {
   DeactivateWorkflowVersionMutation,
   DeactivateWorkflowVersionMutationVariables,
@@ -37,6 +40,30 @@ export const useDeactivateWorkflowVersion = () => {
             status: () => 'DEACTIVATED',
           },
         });
+
+        const cacheSnapshot = apolloClient.cache.extract();
+        const workflowVersion: WorkflowVersion | undefined = Object.values(
+          cacheSnapshot,
+        ).find(
+          (item) =>
+            item.__typename === 'WorkflowVersion' &&
+            item.id === workflowVersionId,
+        );
+
+        if (!isDefined(workflowVersion)) {
+          return;
+        }
+
+        triggerUpdateRecordOptimisticEffect({
+          cache: apolloClient.cache,
+          objectMetadataItem: objectMetadataItemWorkflowVersion,
+          currentRecord: workflowVersion,
+          updatedRecord: {
+            ...workflowVersion,
+            status: 'DEACTIVATED',
+          },
+          objectMetadataItems: [objectMetadataItemWorkflowVersion],
+        });
       },
     });
   };

packages/twenty-front/src/modules/workflow/workflow-diagram/components/WorkflowDiagramCanvasReadonlyEffect.tsx

@@ -3,6 +3,7 @@ import { useRightDrawer } from '@/ui/layout/right-drawer/hooks/useRightDrawer';
 import { RightDrawerHotkeyScope } from '@/ui/layout/right-drawer/types/RightDrawerHotkeyScope';
 import { RightDrawerPages } from '@/ui/layout/right-drawer/types/RightDrawerPages';
 import { useSetHotkeyScope } from '@/ui/utilities/hotkey/hooks/useSetHotkeyScope';
+import { EMPTY_TRIGGER_STEP_ID } from '@/workflow/workflow-diagram/constants/EmptyTriggerStepId';
 import { useTriggerNodeSelection } from '@/workflow/workflow-diagram/hooks/useTriggerNodeSelection';
 import { workflowSelectedNodeState } from '@/workflow/workflow-diagram/states/workflowSelectedNodeState';
 import {
@@ -27,7 +28,7 @@ export const WorkflowDiagramCanvasReadonlyEffect = () => {
       const selectedNode = nodes[0] as WorkflowDiagramNode;
       const isClosingStep = isDefined(selectedNode) === false;
 
-      if (isClosingStep) {
+      if (isClosingStep || selectedNode.type === EMPTY_TRIGGER_STEP_ID) {
         closeRightDrawer();
         closeCommandMenu();
         return;
@@ -37,6 +38,7 @@ export const WorkflowDiagramCanvasReadonlyEffect = () => {
       setHotkeyScope(RightDrawerHotkeyScope.RightDrawer, { goto: false });
 
       const selectedNodeData = selectedNode.data as WorkflowDiagramStepNodeData;
+
       openRightDrawer(RightDrawerPages.WorkflowStepView, {
         title: selectedNodeData.name,
         Icon: getIcon(getWorkflowNodeIconKey(selectedNodeData)),

packages/twenty-front/src/modules/workflow/workflow-steps/components/WorkflowStepDetail.tsx

@@ -48,18 +48,12 @@ export const WorkflowStepDetail = ({
     stepId,
     workflowVersion,
   });
-  if (!isDefined(stepDefinition)) {
+  if (!isDefined(stepDefinition) || !isDefined(stepDefinition.definition)) {
     return null;
   }
 
   switch (stepDefinition.type) {
     case 'trigger': {
-      if (!isDefined(stepDefinition.definition)) {
-        throw new Error(
-          'Expected the trigger to be defined at this point. Ensure the trigger has been set with a default value before trying to edit it.',
-        );
-      }
-
       switch (stepDefinition.definition.type) {
         case 'DATABASE_EVENT': {
           return (