[Bugs] #1265 UNSP: Hide all animators while deleting palettes

[SugarLabs Bugs]

#1265: Hide all animators while deleting palettes
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    Reporter:  alsroot                    |          Owner:  erikos                     
        Type:  defect                     |         Status:  new                        
    Priority:  Unspecified by Maintainer  |      Milestone:  Unspecified by Release Team
   Component:  sugar-toolkit              |        Version:  Git as of bugdate          
    Severity:  Unspecified                |       Keywords:                             
Distribution:  Unspecified                |   Status_field:  Unconfirmed                
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 Can't find 100% workflow to reproduce this bug but it fails from time to
 time with stack:
 {{{
 Traceback (most recent call last):
   File "/usr/lib64/python2.6/site-packages/sugar/graphics/animator.py",
 line 107, in _next_frame_cb
     animation.do_frame(current_time, self._duration, self._easing)
   File "/usr/lib64/python2.6/site-packages/sugar/graphics/animator.py",
 line 148, in do_frame
     self.next_frame(frame)
   File "/usr/lib64/python2.6/site-packages/sugar/graphics/palette.py",
 line 427, in next_frame
     self._palette.set_palette_state(Palette.SECONDARY)
   File "/usr/lib64/python2.6/site-
 packages/sugar/graphics/palettewindow.py", line 400, in set_palette_state
     self._set_palette_state(state)
   File "/usr/lib64/python2.6/site-packages/sugar/graphics/palette.py",
 line 360, in _set_palette_state
     self.menu.embed(self._menu_box)
 AttributeError: 'NoneType' object has no attribute 'embed'
 }}}

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Ticket URL: <http://dev.sugarlabs.org/ticket/1265>
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