[DSC-2529] allow space in email pattern + trim on submit

Author: FrancescoMolinaro

src/app/access-control/epeople-registry/eperson-form/eperson-form.component.ts

@@ -252,7 +252,7 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
       name: 'email',
       validators: {
         required: null,
-        pattern: '^[a-z0-9._%+-]+@[a-z0-9.-]+\\.[a-z]{2,4}$',
+        pattern: '^\\s*[a-z0-9._%+-]+@[a-z0-9.-]+\\.[a-z]{2,4}\\s*$',
       },
       required: true,
       errorMessages: {
@@ -367,7 +367,7 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
               },
             ],
           },
-          email: this.email.value,
+          email: (this.email.value as string)?.trim(),
           canLogIn: this.canLogIn.value,
           requireCertificate: this.requireCertificate.value,
         };