Fix up midi stuff, support mild black midis (#1056)

Content.Shared/GameObjects/Components/Instruments/SharedInstrumentComponent.cs

@@ -8,6 +8,13 @@ namespace Content.Shared.GameObjects.Components.Instruments
 {
     public class SharedInstrumentComponent : Component
     {
+
+        // These 2 values are quite high for now, and this could be easily abused. Change this if people are abusing it.
+        public const int MaxMidiEventsPerSecond = 1000;
+        public const int MaxMidiEventsPerBatch = 60;
+        public const int MaxMidiBatchDropped = 1;
+        public const int MaxMidiLaggedBatches = 8;
+
         public override string Name => "Instrument";
         public override uint? NetID => ContentNetIDs.INSTRUMENTS;
 
@@ -52,12 +59,10 @@ namespace Content.Shared.GameObjects.Components.Instruments
     public class InstrumentState : ComponentState
     {
         public bool Playing { get; }
-        public uint SequencerTick { get; }
 
         public InstrumentState(bool playing, uint sequencerTick = 0) : base(ContentNetIDs.INSTRUMENTS)
         {
             Playing = playing;
-            SequencerTick = sequencerTick;
         }
     }