Edited Feature: waitforattach in RemoteDebug.js starts node too early [1368]

Repro steps:
1. On remote target run the command: "Node.exe RemoteDebug.js -waitforattach <js file>"
2. In VS, open Attach to Process dialog
3. After setting the Node.js transport, enter the appropriate qualifier
4. Press Refresh button

Result:
Node starts running

Expected Result:
Node starts running when I press Attach button