[Remove Vuetify from Studio] Channel collections table (first draft version)

[Prashant-thakur77]

Fixes #5529

Summary

This PR replaces the old Vuetify-based ChannelSetList with a new StudioCollectionsTable built using Kolibri Design System (KDS) components. The goal is to continue the process of removing Vuetify from Studio and modernizing the UI to match current Kolibri patterns. Screencast From 2025-11-05 11-01-24.webm

References

Sub-issue of https://github.com/learningequality/studio/issues/5060.

Reviewer guidance

How to get there Login as [email protected] with password a Go to Channels > Collections

How to run Kolibri Find detailed guidance with many code examples in KDS documentation Read https://github.com/learningequality/studio/issues/5060 for more useful references