Polish default demo project selection

frontend/src/hooks/useDemoWorkflow.ts

@@ -4,7 +4,7 @@ import type { DatasetCreateResponse, QualityCheckRead } from '../types'
 import { formatError } from '../lib/formatError'
 
 interface DemoWorkflowOptions {
-  loadProjects: () => Promise<void>
+  loadProjects: (preferredProjectId?: string | null) => Promise<void>
   loadProjectData: (projectId: string) => Promise<{ datasets: DatasetCreateResponse[] } | null>
   loadDatasetDetails: (projectId: string, dataset: DatasetCreateResponse) => Promise<void>
   loadDetectionRuns: (projectId?: string | null) => Promise<void>
@@ -58,7 +58,7 @@ export function useDemoWorkflow({
       setDetectionReferenceDatasetId(result.reference_dataset_id)
       setSegmentationReferenceDatasetId(result.reference_dataset_id)
       setDemoWorkflowMessage(result.message)
-      await loadProjects()
+      await loadProjects(result.project_id)
       const [projectData] = await Promise.all([
         loadProjectData(result.project_id),
         loadDetectionRuns(result.project_id),