AI Assistant Button still enabled in read only mode

[theroinaochieng]

Describe the bug The AI assistant button on the header is still clickable even when a user is on read only mode on both the canvas and IDE.
The button should be disabled with help text "You are using a pinned version of this workflow"

See: https://www.loom.com/share/0bc362918dc14cd89be59a7f5b925a9b and https://www.loom.com/share/ffe4ab6aa36a4000b8eefa958bfafa6b

Version number v2.15.8-pre

I have reproduced this locally on main:

• Yes
• No

To reproduce: see Loom attached