FIX #8489 add required password if enable auth

src/frontend/app/administration/sendmail/sendmail-administration.component.html

@@ -62,7 +62,7 @@
                             <div class="form-group" [style.opacity]="sendmail.type != 'smtp' ? '0.5' : '1'">
                                 <div class="col-md-12">
                                     <mat-slide-toggle color="primary" name="SMTPAuth" [(ngModel)]="sendmail.auth"
-                                        [disabled]="sendmail.type != 'smtp'"(change)="cleanAuthInfo()">{{lang.enableAuth}}</mat-slide-toggle>
+                                        [disabled]="sendmail.type != 'smtp'"(change)="cleanAuthInfo($event)">{{lang.enableAuth}}</mat-slide-toggle>
                                 </div>
                             </div>
                             <div class="form-group" [style.opacity]="sendmail.type != 'smtp' ? '0.5' : '1'">
@@ -75,7 +75,7 @@
                                 <div class="col-md-12">
                                     <mat-form-field>
                                         <input name="password" [type]="hidePassword ? 'password' : 'text'" [(ngModel)]="sendmail.password"
-                                            [disabled]="!sendmail.auth || sendmail.type != 'smtp'" matInput placeholder="{{passwordLabel}}">
+                                            [disabled]="!sendmail.auth || sendmail.type != 'smtp'" matInput [placeholder]="sendmail.passwordAlreadyExists === true ? this.lang.passwordModification : this.lang.password" [required]="!sendmail.passwordAlreadyExists">
                                         <mat-icon color="primary" style="cursor: pointer;" matSuffix (click)="hidePassword = !hidePassword"
                                             class="fa fa-2x" [ngClass]="[hidePassword ? 'fa-eye-slash' : 'fa-eye']"></mat-icon>
                                     </mat-form-field>

src/frontend/app/administration/sendmail/sendmail-administration.component.ts

@@ -104,11 +104,6 @@ export class SendmailAdministrationComponent implements OnInit {
                 this.sendmail = data.configuration.value
                 this.sendmailClone = JSON.parse(JSON.stringify(this.sendmail));
                 this.smtpTypeDesc = this.lang[this.sendmail.type + 'Desc'];
-                if (this.sendmail.passwordAlreadyExists === true) {
-                    this.passwordLabel = this.lang.passwordModification;
-                } else {
-                    this.passwordLabel = this.lang.password;
-                }
                 
                 this.loading = false;
             }, (err) => {
@@ -190,7 +185,9 @@ export class SendmailAdministrationComponent implements OnInit {
             });
     }
 
-    cleanAuthInfo() {
+    cleanAuthInfo(event: any) {
+        this.sendmail.passwordAlreadyExists = false;
+
         this.sendmail.user = '';
         this.sendmail.password = '';
     }