Fix missing identity in top navigation (#1044)

Closes #1042 Signed-off-by: James Taylor <jamest@uk.ibm.com>

Author: jt-nti

packages/composer-playground/src/app/services/identity.service.ts

@@ -44,7 +44,11 @@ export class IdentityService {
 
  getCurrentIdentity(): Promise<string> {
  let connectionProfile = this.connectionProfileService.getCurrentConnectionProfile();
- return this.getIdentity(connectionProfile);
+ return this.getIdentity(connectionProfile)
+ .then((identity) => {
+ this._currentIdentity.next(identity);
+ return this._currentIdentity.getValue();
+ });
  }
 
  getIdentity(connectionProfile: string): Promise<string> {