[Pharo-project] [BUG] Fix for MorphTreeMorph>>updateList

[Hilaire Fernandes]

The scrollbar should be scrolled to the position before update.
Fix enclosed.

Thanks

Hilaire

-- 
Dr. Geo http://drgeo.eu

'From Pharo1.4 of 18 April 2012 [Latest update: #14438] on 21 April 2013 at 
4:53:42 pm'!

!MorphTreeMorph methodsFor: 'updating' stamp: 'HilaireFernandes 4/21/2013 
16:52'!
updateList
        |value|
        value := scrollBar value.
        self updateContentsWithPreviouslyExpanded: self currentlyExpanded.
        self vScrollValue: value! !