Ensure consistency when saving the current capture. Closes #2358

* If we save the current capture from a connection window we want to do that via
  the main window so the UI can be properly updated and so we can save it
  properly through the replay manager, so the old one can be removed safely.

qrenderdoc/Windows/Dialogs/LiveCapture.cpp

@@ -801,6 +801,16 @@ void LiveCapture::openCapture(Capture *cap)
 
 bool LiveCapture::saveCapture(Capture *cap, QString path)
 {
+  // if this is the current capture, do the save through the main window
+  if(QString(m_Ctx.GetCaptureFilename()) == cap->path)
+  {
+    // if there's no target path, let the main window prompt for save.
+    if(path.isEmpty())
+      return m_Main->PromptSaveCaptureAs();
+    else
+      return m_Main->SaveCurrentCapture(path);
+  }
+
   if(path.isEmpty())
   {
     path = m_Main->GetSavePath();