Fix identical status label in simplified dashboard

[RomainLvr]

Changes description

Update the STATUS_WAITING label to avoid an identical status label with PENDING. This confusion appears in My requests for assistance (Simplified dashboard) when GLPI is in French for example.

Before :

After :

Checklist

Please check if your PR fulfills the following specifications:

• [ ] Tests for the changes have been added
• [ ] Docs have been added/updated

References

Ticket !31528