refs #17112 [fid_adlr] allow overriding of fidis base url on alpha

* set baseUrlOverrideAllowed to true in adlr alpha fid.ini
* display changed url (set by get param or cookie) fixed on bottom

fid_adlr/alpha/config/vufind/fid.ini

 [Parent_Config]
-relative_path=../../../config/vufind/fid.ini
\ No newline at end of file
+relative_path=../../../config/vufind/fid.ini
+
+[Client]
+baseUrlOverrideAllowed = true
\ No newline at end of file

themes/fid_adlr/templates/footer.phtml

@@ -69,5 +69,8 @@
       </div>
     </div>
   </div>
+  <?php if ($this->fidisStatus): ?>
+    <div class="fidis-status"><?=$this->fidisStatus?></div>
+  <?php endif; ?>
 </footer>
 <!-- fid_adlr: footer - END -->
\ No newline at end of file