[BUG] Error reports in /canvas result in JS error and a white screen

[automaton82]

Describe the bug
If you open the /canvas and have a chatflow API error, you'll get a JS error in the console and a white screen.

Error: Uncaught ReferenceError: error is not defined

To Reproduce
Steps to reproduce the behavior:

1. Open any existing chatflow
2. Change the URL and modify the ID in the query string, change 1 letter so it's invalid
3. Press enter to load it

Notice Uncaught ReferenceError: error is not defined in the dev console and a white screen

Expected behavior
This should show the regular red notification with the error text

Setup

• It will happen anywhere

Additional context
I will submit a PR to fix, it's a typo.

[automaton82]

I believe this will be fixed by #2229