i18n for publication update page.

frontend/src/app/pages/publication-update/publication-update.component.html

@@ -1,13 +1,20 @@
 @if ((isLoading$ | async) == true) {
+    <h2 i18n>Loading publication to edit...</h2>
     <mat-spinner></mat-spinner>
 } 
 @else {
     @if (publication) {
-        <app-publication-edition title="Update publication {{ publication.title }}" [publication]="publication" [isSaving$]="isSaving$" (publicationSave)="onPublicationSave($event)"></app-publication-edition>
+        <app-publication-edition
+            title="Update publication {{ publication.title }}"
+            [publication]="publication"
+            [isSaving$]="isSaving$"
+            (publicationSave)="onPublicationSave($event)"
+            i18n-title>
+        </app-publication-edition>
     }
     @else {
         <div class="loading-failed">
-            <h1>Publication failed to load...</h1>
+            <h1 i18n>Publication failed to load...</h1>
         </div>
     }
 }