🔧 [Refactor] Edit Slug Of Group Does Not Work Like Expected

Created by: Tirokk

🔧 Refactor

Edit slug of group does not work like expected.

We have to discuss this I guess. @Mogge @ogerly @ulfgebhardt

Todo

• backend:
  • sluggifyMiddelware
  • test:
    • src/middleware/slugifyMiddleware.spec.js
    • src/schema/resolvers/groups.spec.js
• webapp:
  • show if slug of group already exists?
  • created a new issue #5595
• cleanup: search for Wolle