Enable workflow testing + fix header (#8512)

- clean execution header
- enable test on workflows + add snack bar
- display snack bar error if workflow cannot be tested

Behaviour still need to be validated by @Bonapara 
<img width="880" alt="Capture d’écran 2024-11-15 à 12 16 36"
src="https://github.com/user-attachments/assets/1dab0c3b-157c-449f-aee7-4c8cf2e369a6">
<img width="880" alt="Capture d’écran 2024-11-15 à 12 16 48"
src="https://github.com/user-attachments/assets/16279611-0a58-4fe6-b117-0192714a6d5c">

packages/twenty-front/src/pages/object-record/RecordShowPageBaseHeader.tsx

@@ -34,6 +34,7 @@ export const RecordShowPageBaseHeader = ({
         key="more"
         recordId={record?.id ?? '0'}
         objectNameSingular={objectNameSingular}
+        isRemote={objectMetadataItem.isRemote}
       />
     </>
   );