Add kontext-controlnet-fix by VixDreamer

[VixDreamer]

Summary

• Adds kontext-controlnet-fix by VixDreamer
• Runtime patch that fixes the RuntimeError shape-mismatch crash when combining Flux Kontext (ReferenceLatent) with any ControlNet node
• No core ComfyUI files modified; patch applied at startup via monkey-patch
• Idempotent — skips patching if upstream fix (PR #9180) is already present

Node Info

Field	Value
Author	VixDreamer
Title	Kontext ControlNet Fix
Install type	git-clone
Repository	https://github.com/VixDreamer/kontext-controlnet-fix
Tags	flux, kontext, controlnet, fix, patch

Checklist

• Entry added to custom-node-list.json
• install_type: git-clone
• Repository is public and accessible
• No new UI nodes (pure runtime patch — "nodes": [])
• MIT license

[ltdrdata]

Due to merge conflicts, I've added the entry for Kontext ControlNet Fix to custom-node-list.json directly, using the title and description from this PR.

Closing this PR — the nodepack is now registered.