Add URI Decoding to getRefObject.

lib/util.js

@@ -1205,9 +1205,11 @@ module.exports = {
     savedSchema = $ref.split('/').slice(1).map((elem) => {
       // https://swagger.io/docs/specification/using-ref#escape
       // since / is the default delimiter, slashes are escaped with ~1
-      return elem
-        .replace(/~1/g, '/')
-        .replace(/~0/g, '~');
+      return decodeURIComponent(
+        elem
+          .replace(/~1/g, '/')
+          .replace(/~0/g, '~')
+      );
     });
     // at this stage, savedSchema is [components, part1, parts]
     // must have min. 2 segments after "#/components"