Role ban UI updates (#16736)

Content.Shared/Players/PlayTimeTracking/MsgPlayTime.cs

@@ -16,6 +16,8 @@ public sealed class MsgPlayTime : NetMessage
     public override void ReadFromBuffer(NetIncomingMessage buffer, IRobustSerializer serializer)
     {
         var count = buffer.ReadVariableInt32();
+        Trackers.EnsureCapacity(count);
+
         for (var i = 0; i < count; i++)
         {
             Trackers.Add(buffer.ReadString(), buffer.ReadTimeSpan());