[task] Upgrade quill-mention and quill to latest or replace with tiptap

[ivicac]

https://github.com/quill-mention/quill-mention or replace quill with tiptap:

1. https://github.com/ueberdosis/tiptap
2. https://tiptap.dev/docs/editor/extensions/nodes/mention

[kresimir-coko]

Couldn't get this working, asked in their Q&A so waiting for a response - https://github.com/quill-mention/quill-mention/discussions/400