Fixes offline messaging to contact which just went offline

We should still use the old implementation for checking offline contacts
capabilities. This will give us the 'offline capabilities' e.g.
messaging offline contacts.

src/net/java/sip/communicator/impl/protocol/jabber/OperationSetContactCapabilitiesJabberImpl.java

@@ -489,7 +489,8 @@ public void userCapsNodeChanged(String user, ArrayList<String> fullJids,
             if(JabberActivator.getConfigurationService()
                 .getBoolean(
                     PROP_XMPP_USE_ALL_RESOURCES_FOR_CAPABILITIES,
-                    USE_ALL_RESOURCES_FOR_CAPABILITIES_DEFAULT))
+                    USE_ALL_RESOURCES_FOR_CAPABILITIES_DEFAULT)
+                && !fullJids.isEmpty())
             {
                 String bareJid = StringUtils.parseBareAddress(user);
                 Contact contact = opsetPresence.findContactByID(bareJid);
@@ -570,7 +571,7 @@ public void fireContactCapabilitiesChanged(String user,
             .getBoolean(
                 PROP_XMPP_USE_ALL_RESOURCES_FOR_CAPABILITIES,
                 USE_ALL_RESOURCES_FOR_CAPABILITIES_DEFAULT)
-            ||fullJids.isEmpty())
+            || fullJids.isEmpty())
         {
             OperationSetPresence opsetPresence
             = parentProvider.getOperationSet(OperationSetPresence.class);