Fix collection modified bug

[Nytra]

https://discord.com/channels/901126079857692714/1364725144676990998

Exception running asynchronous task:
System.AggregateException: One or more errors occurred. ---> System.InvalidOperationException: Collection was modified; enumeration operation may not execute.
   at async bool InspectorPowerTools.LagFreeInspectorGeneration.Prefix(WorkerInspector __instance, Worker container, Predicate<ISyncMember> memberFilter, Predicate<Worker> workerFilter, bool includeContainer)+(?) => { }
   --- End of inner exception stack trace ---
---> (Inner Exception #0) System.InvalidOperationException: Collection was modified; enumeration operation may not execute.
   at async bool InspectorPowerTools.LagFreeInspectorGeneration.Prefix(WorkerInspector __instance, Worker container, Predicate<ISyncMember> memberFilter, Predicate<Worker> workerFilter, bool includeContainer)+(?) => { }<---


   at void Elements.Core.UniLog.Error(string message, bool stackTrace)
   at void FrooxEngine.CoroutineManager.CheckExceptions(Task task)
   at void System.Threading.Tasks.ContinuationTaskFromTask.InnerInvoke()
   at void System.Threading.Tasks.Task.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at bool System.Threading.ThreadPoolWorkQueue.Dispatch()
   at bool System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()