Upgrade Mirador (#1200)

Co-authored-by: JP Engstrom <jpengstrom@MacBook-Pro.local>

Author: jpengst

app/views/mirador/show.html.erb

@@ -12,7 +12,10 @@
 
 <script type="text/javascript">
   let dc_mirador_config = {
-      "id": "my-mirador"
+      "id": "my-mirador",
+      "osdConfig": {
+          "crossOriginPolicy": "Anonymous"
+      }
   }
 
   <% if @manifest %>