message: fix selectedAccount$ subscriptions no longer being called after wallet reset
diff: @@ -622,7 +622,7 @@ export class WalletService {
  this.wallet.hasPending = false;
  this.wallet.selectedAccountId = null;
  this.wallet.selectedAccount = null;
  - this.wallet.selectedAccount$ = new BehaviorSubject(null);
  + this.wallet.selectedAccount$.next(null);
  this.wallet.pendingBelowThreshold = [new BigNumber(0)];
  this.wallet.pendingBlocks = [];
  }
  