Fix default capture options not being applied in 0.20 and above

* These capture options used to be propagated through from the C++ struct
  when there was a C++/CLI dll used for interop between C# and C++. Now
  that we use P/Invoke this needs to be added back so a couple of default
  options can be enabled

renderdocui/Interop/CaptureOptions.cs

@@ -78,5 +78,25 @@ namespace renderdoc
         public bool RefAllResources;
         public bool SaveAllInitials;
         public bool CaptureAllCmdLists;
+        
+        public static CaptureOptions Defaults
+        {
+            get
+            {
+                CaptureOptions defs = new CaptureOptions();
+                defs.AllowVSync = true;
+                defs.AllowFullscreen = true;
+                defs.DebugDeviceMode = false;
+                defs.CaptureCallstacks = false;
+                defs.CaptureCallstacksOnlyDraws = false;
+                defs.DelayForDebugger = 0;
+                defs.CacheStateObjects = true;
+                defs.HookIntoChildren = false;
+                defs.RefAllResources = false;
+                defs.SaveAllInitials = false;
+                defs.CaptureAllCmdLists = false;
+                return defs;
+            }
+        }
     };
 };

renderdocui/Windows/Dialogs/CaptureDialog.cs

@@ -42,7 +42,7 @@ namespace renderdocui.Windows.Dialogs
     {
         public class CaptureSettings
         {
-            public CaptureOptions Options = new CaptureOptions();
+            public CaptureOptions Options = CaptureOptions.Defaults;
             public bool Inject = false;
             public bool AutoStart = false;
             public string Executable = "";