send BalanceUpdated notification as global

lib/server.js

@@ -1101,7 +1101,9 @@ WalletService.prototype.getBalance = function(opts, cb) {
               if (err) return;
               if (!_.isEqual(partialBalance, fullBalance)) {
                 log.debug('Cache miss: balance in active addresses differs from final balance');
-                self._notify('BalanceUpdated', fullBalance);
+                self._notify('BalanceUpdated', fullBalance, {
+                  isGlobal: true
+                });
               }
             });
           }, 1);