Feat/error boundaries (#2779)

* - Changed to objectNameSingular always defined
- Added ErrorCatchAll

* - Added mock mode for companies logged out
- Added a proper ErrorBoundary component

* Removed react-error-boundary

* Implemented proper ErrorBoundary

* Fixes

* Change strategy about mocks

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

front/src/modules/companies/components/NewOpportunityButton.tsx

@@ -78,7 +78,7 @@ export const NewOpportunityButton = () => {
     orderByField: 'createdAt',
     selectedIds: [],
     mappingFunction: (record: any) => identifiersMapper?.(record, 'company'),
-    objectNamePlural: 'companies',
+    objectNameSingular: 'company',
   });
 
   return (