[AAE-12501] Restore get username methods

lib/core/src/lib/auth/services/authentication.service.ts

@@ -160,6 +160,24 @@ export class AuthenticationService extends BaseAuthenticationService {
         return false;
     }
 
+    /**
+     * Gets the ECM username.
+     *
+     * @returns The ECM username
+     */
+    getEcmUsername(): string {
+        return this.alfrescoApi.getInstance().getEcmUsername();
+    }
+
+    /**
+     * Gets the BPM username
+     *
+     * @returns The BPM username
+     */
+    getBpmUsername(): string {
+        return this.alfrescoApi.getInstance().getBpmUsername();
+    }
+
     /**
      * Gets the auth token.
      *

lib/core/src/lib/auth/services/base-authentication.service.ts

@@ -50,6 +50,8 @@ export abstract class BaseAuthenticationService {
     abstract logout(): Observable<any>;
     abstract isEcmLoggedIn(): boolean;
     abstract isBpmLoggedIn(): boolean;
+    abstract getEcmUsername(): string;
+    abstract getBpmUsername(): string;
     abstract reset(): void;
     abstract once(event: string): Observable<any>;