🚀 [Feature] Refine Group Creation And Group Edit

Created by: Tirokk

🚀 Feature Request

Refine group creation and group edit.

Todo

• group icon on left side in header configurable (maybe three people)
• fields:
  • general validation for all fields like on post
  • slug:
    • change does not work like expected
      • backend is involved
      • discuss with @Mogge and @ogerly how it should work
    • created an issue #5480 (closed)
  • goal:
    • add placeholder
  • description:
    • add placeholder
    • add char counter like on post content
    • tiptap editor
  • locationName:
    • have a clear button like in the search select in the header to empty the field
  • Translation
    • translation input selects group radius and group type