Merged in task/dspace-cris-2025_02_x/DSC-2831 (pull request DSpace#4401)

[DSC-2831] add default icon for link-authority component - cherry-picked from [CST-25711]

Approved-by: Andrea Barbasso

Author: FrancescoMolinaro

src/app/cris-layout/cris-layout-matrix/cris-layout-box-container/boxes/metadata/rendering-types/link-authority/link-authority.component.html

@@ -1,10 +1,8 @@
 <div [class]="field.styleValue" [attr.lang]="metadataValue.language">
     <span>
         <a class="metadata-text" href="{{link.href}}" rel="noopener noreferrer" target="_blank">
-          @if (iconStyle) {
-            <i class="me-2 fa-xl" [ngClass]="iconStyle"></i>
-          }
-          {{ link.text }}
+            <i class="me-2 fa-xl" [ngClass]="iconStyle || defaultIcon"></i>
+            {{ link.text }}
         </a>
     </span>
 </div>

src/app/cris-layout/cris-layout-matrix/cris-layout-box-container/boxes/metadata/rendering-types/link-authority/link-authority.component.ts

@@ -34,6 +34,8 @@ export class LinkAuthorityComponent extends RenderingTypeValueModelComponent imp
   link: MetadataLinkValue;
   iconStyle: string;
 
+  defaultIcon = 'fa fa-external-link-square';
+
 
   constructor(
     @Inject('fieldProvider') public fieldProvider: LayoutField,