fix lots of tools not updating at lots of times, I broke this with tool refactors

src/BizHawk.Client.EmuHawk/tools/GBA/GBAGPUView.cs

@@ -705,6 +705,8 @@ namespace BizHawk.Client.EmuHawk
 			GeneralUpdate();
 		}
 
+		protected override void GeneralUpdate() => UpdateBefore();
+
 		protected override void UpdateBefore()
 		{
 			if (!IsHandleCreated || IsDisposed)

src/BizHawk.Client.EmuHawk/tools/Genesis/VDPViewer.cs

@@ -117,6 +117,8 @@ namespace BizHawk.Client.EmuHawk
 			bmpViewTiles.Refresh();
 		}
 
+		protected override void GeneralUpdate() => UpdateBefore();
+
 		protected override unsafe void UpdateBefore()
 		{
 			if (Emu == null)

src/BizHawk.Client.EmuHawk/tools/NES/NESNameTableViewer.cs

@@ -48,6 +48,8 @@ namespace BizHawk.Client.EmuHawk
 			_ppu.InstallCallback1(() => Generate(), _scanline);
 		}
 
+		protected override void GeneralUpdate() => UpdateBefore();
+
 		private unsafe void DrawTile(int* dst, int pitch, byte* pal, byte* tile, int* finalPal)
 		{
 			dst += 7;

src/BizHawk.Client.EmuHawk/tools/PCE/PCETileViewer.cs

@@ -27,6 +27,8 @@ namespace BizHawk.Client.EmuHawk
 			bmpViewSPPal.ChangeBitmapSize(256, 256);
 		}
 
+		protected override void GeneralUpdate() => UpdateBefore();
+
 		protected override void UpdateBefore()
 		{
 			DrawBacks();

src/BizHawk.Client.EmuHawk/tools/SMS/VDPViewer.cs

@@ -26,6 +26,8 @@ namespace BizHawk.Client.EmuHawk
 			bmpViewBG.ChangeBitmapSize(256, 256);
 		}
 
+		protected override void GeneralUpdate() => UpdateBefore();
+
 		static unsafe void Draw8x8(byte* src, int* dest, int pitch, int* pal)
 		{
 			int inc = pitch - 8;

src/BizHawk.Client.EmuHawk/tools/Watch/RamPoke.cs

@@ -98,7 +98,7 @@ namespace BizHawk.Client.EmuHawk
 				if (result)
 				{
 					var cheat = GlobalWin.CheatList.FirstOrDefault(c => c.Address == watch.Address && c.Domain == watch.Domain);
-					if (cheat != (Cheat)null)
+					if (!(cheat is null))
 					{
 						cheat.PokeValue(watch.Value); 
 					}

src/BizHawk.Client.EmuHawk/tools/Watch/RamWatch.cs

@@ -99,6 +99,8 @@ namespace BizHawk.Client.EmuHawk
 
 		public IEnumerable<Watch> Watches => _watches.Where(x => !x.IsSeparator);
 
+		protected override void GeneralUpdate() => FrameUpdate();
+
 		public void AddWatch(Watch watch)
 		{
 			_watches.Add(watch);
@@ -768,7 +770,7 @@ namespace BizHawk.Client.EmuHawk
 
 				poke.SetWatch(SelectedWatches);
 
-				if (poke.ShowHawkDialog(this) == DialogResult.OK)
+				if (poke.ShowHawkDialog(this).IsOk())
 				{
 					GeneralUpdate();
 				}