Get FieldValuesWidget working on embed cards

frontend/src/metabase/services.js

@@ -326,11 +326,14 @@ export const I18NApi = {
 };
 
 export function enableEmbedEndpoints(token: string) {
-  MetabaseApi.field_values = (data: Data, options?: Options) =>
-    EmbedApi.field_values({ token, ...data }, options);
-  MetabaseApi.field_search = (data: Data, options?: Options) =>
-    EmbedApi.field_search({ token, ...data }, options);
-  MetabaseApi.field_remapping = () => null;
+  // don't swap endpoints for embed preview, since the user is logged in
+  if (!IS_EMBED_PREVIEW) {
+    MetabaseApi.field_values = (data: Data, options?: Options) =>
+      EmbedApi.field_values({ token, ...data }, options);
+    MetabaseApi.field_search = (data: Data, options?: Options) =>
+      EmbedApi.field_search({ token, ...data }, options);
+    MetabaseApi.field_remapping = () => null;
+  }
 }
 
 export function enablePublicEndpoints(uuid: string) {

src/metabase/api/embed.clj

@@ -369,7 +369,7 @@
    limit (s/maybe su/IntStringGreaterThanZero)}
   (let [unsigned-token (eu/unsign token)
         card-id        (eu/get-in-unsigned-token-or-throw unsigned-token [:resource :question])]
-    (public-api/search-card-fields card-id field-id search-field-id value limit)))
+    (public-api/search-card-fields card-id field-id search-field-id value (when limit (Integer/parseInt limit)))))
 
 (api/defendpoint GET "/dashboard/:token/field/:field-id/search/:search-field-id"
   "Search for values of a Field that is referenced by a Card in an embedded Dashboard."
@@ -378,7 +378,7 @@
    limit (s/maybe su/IntStringGreaterThanZero)}
   (let [unsigned-token (eu/unsign token)
         dashboard-id   (eu/get-in-unsigned-token-or-throw unsigned-token [:resource :dashboard])]
-    (public-api/search-dashboard-fields dashboard-id field-id search-field-id value limit)))
+    (public-api/search-dashboard-fields dashboard-id field-id search-field-id value (when limit (Integer/parseInt limit)))))
 
 
 (api/define-routes)