[Pidgin] #2438: Newly created but not yet saved substatus not reflected when re-edited

[Pidgin]

#2438: Newly created but not yet saved substatus not reflected when re-edited
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 Reporter:  nix_nix       |       Type:  patch
   Status:  new           |   Priority:  minor
Component:  pidgin (gtk)  |    Version:  2.1.0
 Keywords:                |    Pending:  0    
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 Steps to reproduce:

 1. Create a saved status.
 2. Open substatuses tree view.
 3. Double-click on a substatus.
 4. Modify it and hit OK.
 5. Double-click on the same substatus.

 Expected outcome:
 Though you haven't hit "Save" and/or "Use" in the status dialog, when you
 start editing your substatus again, it picks up from whence it left off
 when you last hit OK.

 Actual outcome:
 The dialog appears with default values, as if you had never edited that
 particular substatus.

 Solution:
 If purple_savedstatus_get_substatus returns NULL for this particular
 substatus, check also the status editor's substatus tree model before
 giving up and showing defaults.

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Ticket URL: <http://developer.pidgin.im/ticket/2438>
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