[Pidgin] #12730: XMPP roster code - don't send self updates to server

[Pidgin]

#12730: XMPP roster code - don't send self updates to server
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 Reporter:  darkrain42  |     Owner:  darkrain42
     Type:  defect      |    Status:  new       
Component:  XMPP        |   Version:  2.7.3     
 Keywords:  jabber      |  
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 We currently send a roster set to the server when adding oneself to the
 list (and other operations on oneself).  We should consider short-
 circuiting that in code.

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Ticket URL: <http://developer.pidgin.im/ticket/12730>
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