Reported: the dropdowns in Add destination don't work. They rendered correctly,
reported as enhanced, and did nothing when clicked.
custom-select portals its popup into <body> at z-index 1200, chosen — as
forms.css says in as many words — to clear eo-modal at 1100. The wizard raises
its modal to 10000, because at 1100 a modal opened from inside the wizard
rendered behind the wizard itself. That fix silently broke the other invariant:
the popup then opened behind the dialog that owns it. Raise the popup with it,
scoped to the wizard so nothing else's stacking moves.
The test already asserted the select was enhanced, which was true and useless —
the control was enhanced, it just could not be reached. So it now hit-tests:
open the popup and ask what is actually on top at its own centre, then click an
option and check the value, the button label and the field group all follow.
Verified by removing the rule again: two checks fail.
That is the second time this pair has bitten (the modal itself did the same
thing earlier), so the rule and the reason now sit together in one comment.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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