feat(seer-activity): Add the frontend form for seer activity condition

[leeandher]

When available to the organization the new form should appear in the builder:

[linear-code]

ISWF-2721

[github-actions]

📊 Type Coverage Diff

Metric	Before	After	Delta
Coverage	93.61%	93.61%	±0%
Typed	133,431	133,447	🟢 +16
Untyped	9,113	9,114	🔴 +1

🔍 1 new type safety issue introduced

any-typed symbols (1 new)

File	Line	Detail
static/app/views/automations/components/actionFilters/seerActivityTrigger.tsx	40	onUpdate (var(binding))

This is informational only and does not block the PR.

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

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