fix: Fixes snooping staff (#900)

* Not allowed to snoop staff
* Staff that snoop won't broadcast messages
* Benchmarks RNG for double vs fixed int

Projects/Benchmarks/Benchmarks/Rng/BenchmarkDoubleVsFixed.cs

@@ -0,0 +1,28 @@
+using BenchmarkDotNet.Attributes;
+using BenchmarkDotNet.Jobs;
+using Server.Random;
+
+namespace Benchmarks.Benchmarks.Rng
+{
+    [MemoryDiagnoser]
+    [SimpleJob(RuntimeMoniker.Net60)]
+    public class BenchmarkDoubleVsFixed
+    {
+        private Xoshiro256PlusPlus _xoshiro256PlusPlus;
+
+        [GlobalSetup]
+        public void Setup()
+        {
+            _xoshiro256PlusPlus = new Xoshiro256PlusPlus();
+        }
+
+        [Benchmark]
+        public bool NextDouble() => 50.1 < _xoshiro256PlusPlus.NextDouble() * 100;
+
+        [Benchmark]
+        public bool NextFixedInt() => 501 < _xoshiro256PlusPlus.Next(1000);
+
+        [Benchmark]
+        public bool NextHighResDouble() => 50.1 < _xoshiro256PlusPlus.NextDoubleHighRes() * 100;
+    }
+}