[AAE-9310] Add missing initial on task assignment dialog (#7694)

* [AAE-9310] Add missing initial on task assignment dialog

* [AAE-9310] rewrite full-name pipe

* [AAE-9310] improved build username or email

* Trigger travis

* [AAE-9310] improve buildFromUsernameOrEmail

lib/core/models/general-user.model.ts

@@ -0,0 +1,22 @@
+/*!
+ * @license
+ * Copyright 2019 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { EcmUserModel } from './ecm-user.model';
+import { IdentityUserModel } from './identity-user.model';
+import { UserProcessModel } from './user-process.model';
+
+export type User = (EcmUserModel | UserProcessModel  | IdentityUserModel) & { displayName?: string } & { username?: string };