fix(data-drains): correct cn import path

CLAUDE.md said `@/lib/utils` but the actual export lives at
`@/lib/core/utils/cn`. Build was failing with "Module not found".

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: waleedlatif1

apps/sim/ee/data-drains/components/data-drains-settings.tsx

@@ -32,8 +32,8 @@ import {
 } from '@/components/emcn'
 import type { CreateDataDrainBody, DataDrain, DataDrainRun } from '@/lib/api/contracts/data-drains'
 import { useSession } from '@/lib/auth/auth-client'
+import { cn } from '@/lib/core/utils/cn'
 import { CADENCE_TYPES, DESTINATION_TYPES, SOURCE_TYPES } from '@/lib/data-drains/types'
-import { cn } from '@/lib/utils'
 import { getUserRole } from '@/lib/workspaces/organization/utils'
 import { DataDrainsSkeleton } from '@/ee/data-drains/components/data-drains-skeleton'
 import { DESTINATION_FORM_REGISTRY } from '@/ee/data-drains/destinations/registry'