🧹 Fix issue regarding Valkyrie::Identifier

The encountered error was:

```
NoMethodError:
  undefined method `split' for #<Valkyrie::ID:0x0000ffffa5f04bc8
  @id="admin_set/default">
```

config/initializers/hyrax.rb

@@ -189,6 +189,12 @@
     # See Samvera Slack thread https://samvera.slack.com/archives/C0F9JQJDQ/p1596718417351200?thread_ts=1596717896.350700&cid=C0F9JQJDQ
     uri.sub(/\Ahttp:/, 'https:')
   end
+
+  ##
+  # A Valkyrie::Identifier is not a string but can be cast to a string.  What we have here is in
+  # essence a "super" method.
+  original_translator = config.translate_id_to_uri
+  config.translate_id_to_uri = ->(id) { original_translator.call(id.to_s) }
 end
 # rubocop:enable Metrics/BlockLength