Wait for discovery end to publish omemo devicelist and bundle

Add sv_ev_connection_features_received for that purpose

src/event/server_events.c

@@ -176,6 +176,14 @@ sv_ev_roster_received(void)
     plugins_on_connect(account_name, fulljid);
 }
 
+void
+sv_ev_connection_features_received(void)
+{
+#ifdef HAVE_OMEMO
+    omemo_publish_crypto_materials();
+#endif
+}
+
 void
 sv_ev_lost_connection(void)
 {

src/event/server_events.h

@@ -85,6 +85,7 @@ void sv_ev_muc_occupant_online(const char *const room, const char *const nick, c
 void sv_ev_roster_update(const char *const barejid, const char *const name,
     GSList *groups, const char *const subscription, gboolean pending_out);
 void sv_ev_roster_received(void);
+void sv_ev_connection_features_received(void);
 int sv_ev_certfail(const char *const errormsg, TLSCertificate *cert);
 void sv_ev_lastactivity_response(const char *const from, const int seconds, const char *const msg);
 void sv_ev_bookmark_autojoin(Bookmark *bookmark);