feat: workflow remove preview mode (#3941)

web/app/components/workflow/hooks/use-workflow-mode.ts

@@ -0,0 +1,14 @@
+import { useMemo } from 'react'
+import { useStore } from '../store'
+
+export const useWorkflowMode = () => {
+  const historyWorkflowData = useStore(s => s.historyWorkflowData)
+  const isRestoring = useStore(s => s.isRestoring)
+  return useMemo(() => {
+    return {
+      normal: !historyWorkflowData && !isRestoring,
+      restoring: isRestoring,
+      viewHistory: !!historyWorkflowData,
+    }
+  }, [historyWorkflowData, isRestoring])
+}