Merge pull request #5733 from tuub/backport-5541-to-dspace-9_x

[Port dspace-9_x] Evaluating IIIF metadata values dspace.iiif.enabled and iiif.search.enabled correctly #5541#12303

Author: tdonohue

src/app/item-page/mirador-viewer/mirador-viewer.component.html

@@ -1,8 +1,10 @@
-<p class="full-text-op">{{'iiifviewer.fullscreen.notice' | translate}}</p>
-@if (!isViewerAvailable) {
-  <p id="viewer-message">{{viewerMessage}}</p>
-}
-@if (isViewerAvailable) {
-  <iframe title="Mirador Viewer" allowtransparency="true" [src]="iframeViewerUrl | async" id="mirador-viewer"></iframe>
+@if (isIiifEnabled$ | async) {
+  <p class="full-text-op">{{'iiifviewer.fullscreen.notice' | translate}}</p>
+  @if (!isViewerAvailable) {
+    <p id="viewer-message">{{viewerMessage}}</p>
+  }
+  @if (isViewerAvailable) {
+    <iframe title="Mirador Viewer" allowtransparency="true" [src]="iframeViewerUrl | async" id="mirador-viewer"></iframe>
+  }
 }