[SHIBUI-1044]

initialize optional

backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/configuration/ShibUIConfiguration.java

@@ -28,5 +28,5 @@ public class ShibUIConfiguration {
      * Note that the password must be encrypted in the file using the system configured password encryption (by default,
      * BCrypt)
      */
-    private Optional<Resource> userBootstrapResource;
+    private Optional<Resource> userBootstrapResource = Optional.empty();
 }