Expose replay options to the UI

* The defaults can be configured from the settings menu, and there's a new "Open
  Capture with Options" menu option to open a capture with different options
  temporarily.

qrenderdoc/Windows/Dialogs/LiveCapture.cpp

@@ -760,7 +760,7 @@ void LiveCapture::openCapture(Capture *cap)
     return;
   }
 
-  m_Main->LoadCapture(cap->path, ReplayOptions(), !cap->saved, cap->local);
+  m_Main->LoadCapture(cap->path, m_Ctx.Config().DefaultReplayOptions, !cap->saved, cap->local);
 }
 
 bool LiveCapture::saveCapture(Capture *cap, QString path)