mgr/dashboard : fix - about model tooltip issue

fixes : https://tracker.ceph.com/issues/73753
Signed-off-by: Devika Babrekar <[email protected]>

Author: Devika Babrekar

src/pybind/mgr/dashboard/frontend/src/app/core/navigation/about/about.component.html

@@ -12,7 +12,8 @@ <h3 class="modal-title">
     </div>
 
   </cds-modal-header>
-    <section cdsModalContent>
+    <section cdsModalContent
+             modal-primary-focus>
     <div class="modal-body" >
       <div class="product-versions">
         <strong i18n>Version</strong>