Description of problem:
When the mouse is moved over the document, ggv changes the cursor to 'grabbing'
hand.  But when you leave the document area, the hand doesnt change to the
default cursor which it should.

Version-Release number of selected component (if applicable):
1.99.97

How reproducible:
Everytime

Steps to Reproduce:
1. Open a PDF document 
2. move the mouse into the document area  then to the toolbar and menu, then to
the sidebar and observe mouse cursor changes.
3.  move the mouse into the document area then very quickly move out of the
window and observe the mouse cursor.
    
Actual results:
Unpredictable changes in mouse cursor.


Expected results:
The 'grabbing' hand should only be used within the document area.  It should
reset the cursor to the default arrow once the mouse moves out of the document are.

Additional info: