Enable workflow in lab (#9997)

Refresh of `objectmetadataitems` was not happening fast enough. Page was
breaking when enabling the feature flag. Instead of not storing worklow
objects in state, we will use the feature flag to block on read. This
way we avoid race conditions

<img width="1511" alt="Capture d’écran 2025-02-04 à 14 11 56"
src="https://github.com/user-attachments/assets/912cc59a-f422-48ab-84b7-7fdd7bbc35c1"
/>

packages/twenty-server/src/engine/core-modules/feature-flag/constants/public-feature-flag.const.ts

@@ -7,7 +7,10 @@ type FeatureFlagMetadata = {
 };
 
 export type PublicFeatureFlag = {
-  key: Extract<FeatureFlagKey, FeatureFlagKey.IsLocalizationEnabled>;
+  key: Extract<
+    FeatureFlagKey,
+    FeatureFlagKey.IsLocalizationEnabled | FeatureFlagKey.IsWorkflowEnabled
+  >;
   metadata: FeatureFlagMetadata;
 };
 
@@ -21,4 +24,12 @@ export const PUBLIC_FEATURE_FLAGS: PublicFeatureFlag[] = [
       imagePath: 'https://twenty.com/images/releases/labs/translation.png',
     },
   },
+  {
+    key: FeatureFlagKey.IsWorkflowEnabled,
+    metadata: {
+      label: 'Workflows',
+      description: 'Create custom workflows to automate your work.',
+      imagePath: 'https://twenty.com/images/lab/is-workflow-enabled.png',
+    },
+  },
 ];