Update VisualEditor for cherry-picks from master

extensions/VisualEditor 2b0979f...0652ad2 (3):
* Ib2e8f6255: Pass required params to open for save dialog
* I95dd2dc2c: Fix JS error when opening VE on redirect page
* I7aaebb071: Update VE core submodule to latest master (74353d9)

Change-Id: I12e5c97511b9645726f1c60a8389b29917eb06c6