Enabling merge queue hides the stack interface

[ryanhiebert]

I just enabled the merge queue for my repo, and the stack interface went away. To confirm, I temporarily turned off the merge queue, and it put the stack interface back, so it seems clearly related to having the merge queue enabled.

[djeer]

WHAT IS THIS GASLIGHTING the docs say Yes, Stacked PRs fully support merging via GitHub merge queue but when I enable the merge queue the stacks UNSTACK THEMSELVES and API says it never existed

(merge queue is enabled here)

djeer@gl-air ci-test-repo % gh stack link 23 24
Checking existing stacks...
⚠ Stacked PRs are not enabled for this repository

(i have disabled the merge queue)

djeer@gl-air ci-test-repo % 
djeer@gl-air ci-test-repo % gh stack link 23 24
Checking existing stacks...
Looking up PRs for 2 branches...
✓ Created stack with 2 PRs (stack #25)

(i have enabled the queue again - prs unstacked themselves in the ui, trying to stack them)

djeer@gl-air ci-test-repo % gh stack link 23 24
Checking existing stacks...
⚠ Stacked PRs are not enabled for this repository

Env:
gh-stack v0.0.8, org-owned private repo
queue enabled via classic branch protection or rule set - same effect