move avi writer call so it captures lua messages

I think it doesn't outrun anything critical this way

BizHawk.Client.EmuHawk/MainForm.cs

@@ -2969,11 +2969,6 @@ namespace BizHawk.Client.EmuHawk
 
 				Global.CheatList.Pulse();
 
-				if (!PauseAvi)
-				{
-					AvFrameAdvance();
-				}
-
 				if (IsLagFrame && Global.Config.AutofireLagFrames)
 				{
 					Global.AutoFireController.IncrementStarts();
@@ -2997,6 +2992,11 @@ namespace BizHawk.Client.EmuHawk
 					UpdateToolsAfter(SuppressLua);
 				}
 
+				if (!PauseAvi)
+				{
+					AvFrameAdvance();
+				}
+
 				if (GlobalWin.Tools.IsLoaded<TAStudio>() &&
 					GlobalWin.Tools.TAStudio.LastPositionFrame == Emulator.Frame)
 				{