fix: improve error handling and default values in fetchPlan function (#17320)

web/context/provider-context.tsx

   const { data: isEducationAccount } = useEducationStatus(!enableEducationPlan)
 
   const fetchPlan = async () => {
-    const data = await fetchCurrentPlanInfo()
-    const enabled = data.billing.enabled
-    setEnableBilling(enabled)
-    setEnableEducationPlan(data.education.enabled)
-    setIsEducationWorkspace(data.education.activated)
-    setEnableReplaceWebAppLogo(data.can_replace_logo)
-    if (enabled) {
-      setPlan(parseCurrentPlan(data) as any)
-      setIsFetchedPlan(true)
+    try {
+      const data = await fetchCurrentPlanInfo()
+      if (!data) {
+        console.error('Failed to fetch plan info: data is undefined')
+        return
+      }
+
+      // set default value to avoid undefined error
+      setEnableBilling(data.billing?.enabled ?? false)
+      setEnableEducationPlan(data.education?.enabled ?? false)
+      setIsEducationWorkspace(data.education?.activated ?? false)
+      setEnableReplaceWebAppLogo(data.can_replace_logo ?? false)
+
+      if (data.billing?.enabled) {
+        setPlan(parseCurrentPlan(data) as any)
+        setIsFetchedPlan(true)
+      }
+
+      if (data.model_load_balancing_enabled)
+        setModelLoadBalancingEnabled(true)
+      if (data.dataset_operator_enabled)
+        setDatasetOperatorEnabled(true)
+    }
+    catch (error) {
+      console.error('Failed to fetch plan info:', error)
+      // set default value to avoid undefined error
+      setEnableBilling(false)
+      setEnableEducationPlan(false)
+      setIsEducationWorkspace(false)
+      setEnableReplaceWebAppLogo(false)
     }
-    if (data.model_load_balancing_enabled)
-      setModelLoadBalancingEnabled(true)
-    if (data.dataset_operator_enabled)
-      setDatasetOperatorEnabled(true)
   }
   useEffect(() => {
     fetchPlan()