Load OTR private key on connect, gen command checks if already generated

src/server_events.c

@@ -49,6 +49,7 @@ void
 handle_login_account_success(char *account_name)
 {
     ProfAccount *account = accounts_get_account(account_name);
+    otr_on_connect(account);
     resource_presence_t resource_presence = accounts_get_login_presence(account->name);
     contact_presence_t contact_presence = contact_presence_from_resource_presence(resource_presence);
     cons_show_login_success(account);