BOLT-1268 P2 — status-aware affordances on Event Details (drop Edit on pending)

Phase 2 of BOLT-1268. apps/dashboard/packs/programs/routes/(programs)/events/[id]/page.tsx: only show Edit Event for draft (drop the pending case at line 1061). Add Cancel Event for pending. Add View Configuration read-only link for pending. Mirror in events/[id]/edit/page.tsx — refuse to render Configure for non-draft events, redirect back. Verify the configure page Schedule Event CTA is unreachable for non-draft. Depends on Phase 1 shipping.