Feat(frontend): improve the soft delete empty state (#6877)

# This PR

- Fix #6834 

## Demo


https://www.loom.com/share/235c4425f3264f429e2064a9d1604a90?sid=02a815c9-3b1a-45e6-b5ce-d5eb3b40e10e

## Notes

- There is a missing icon in Figma corresponding to the
`noDeletedRecordFound` in the dark mode, thus I used the same icon
(different background because we have the correct background image) for
both dark / light modes
<img width="625" alt="Screenshot 2024-09-03 at 15 04 57"
src="https://github.com/user-attachments/assets/cbc0c3dd-a1ee-49a5-be9a-36450e78a992">
cc: @Bonapara

---------

Co-authored-by: Lucas Bordeau <bordeau.lucas@gmail.com>

packages/twenty-front/src/modules/object-metadata/hooks/useObjectLabel.ts

@@ -0,0 +1,5 @@
+import { ObjectMetadataItem } from '@/object-metadata/types/ObjectMetadataItem';
+
+export const useObjectLabel = (objectMetadataItem: ObjectMetadataItem) => {
+  return objectMetadataItem?.labelSingular ?? '';
+};