[Bugs] #1948 UNSP: Race condition with name widget in the activity toolbar

[Sugar Labs Bugs]

#1948: Race condition with name widget in the activity toolbar
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    Reporter:  bernie                     |          Owner:  tomeu                      
        Type:  defect                     |         Status:  new                        
    Priority:  Unspecified by Maintainer  |      Milestone:  Unspecified by Release Team
   Component:  sugar                      |        Version:  0.84.x                     
    Severity:  Critical                   |       Keywords:                             
Distribution:  Unspecified                |   Status_field:  Unconfirmed                
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 How to reproduce:

 1. open any activity (for example, Write)
 2. switch to the Activity toolbar
 3. click on the name widget
 4. quickly type a few keystrokes
 5. after 1-2 seconds, some of your keystrokes will disappear and the
 cursor will be reset to the beginning of the edit box

 Even without looking at the code, this smells like a simple race condition
 between the user and the callback function that updates the datastore on
 every change. If so, we could simply work around this bug by hooking the
 update to a different gtk event, such as when the widget looses focus.

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Ticket URL: <http://bugs.sugarlabs.org/ticket/1948>
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