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/settings/data-model/hooks/useFieldPreview.ts

@@ -31,7 +31,7 @@ export const useFieldPreview = ({
 
   const { value: firstRecordFieldValue } = useFieldPreviewValue({
     fieldName: fieldName || '',
-    objectNamePlural: objectMetadataItem?.namePlural || '',
+    objectNamePlural: objectMetadataItem?.namePlural ?? '',
     skip:
       !fieldName ||
       !objectMetadataItem ||