[Bugs] #1352 HIGH: Prevent creating parent-less dialogs

[Sugar Labs Bugs]

#1352: Prevent creating parent-less dialogs
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    Reporter:  alsroot      |          Owner:  tomeu      
        Type:  defect       |         Status:  new        
    Priority:  High         |      Milestone:  0.88       
   Component:  sugar        |        Version:  0.85.x     
    Severity:  Unspecified  |       Keywords:             
Distribution:  Unspecified  |   Status_field:  Unconfirmed
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Changes (by alsroot):

  * milestone:  0.86 => 0.88


Comment:

 Milestone to 0.88, since we are in code freeze

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Ticket URL: <http://bugs.sugarlabs.org/ticket/1352#comment:2>
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