Fix syntax error

src/metabase/api/embed.clj

@@ -129,7 +129,7 @@
         :when                         (and tag-type
                                            (or widget-type (not= tag-type "dimension")))]
     {:id      (:id tag)
-     :type    widget-type (if (= tag-type "date") "date/single" "category")
+     :type    (or widget-type (if (= tag-type "date") "date/single" "category"))
      :target  ["variable" ["template-tag" (:name tag)]]
      :name    (:display_name tag)
      :slug    (:name tag)