nocache for fed provider list

forms/common-themes/src/main/resources/theme/admin/base/resources/partials/federated-generic.html

@@ -70,7 +70,7 @@
 
             <div class="pull-right form-actions" data-ng-show="create && access.manageUsers">
                 <button kc-cancel data-ng-click="cancel()">Cancel</button>
-                <button kc-save data-ng-show="changed">Save</button>
+                <button kc-save>Save</button>
             </div>
 
             <div class="pull-right form-actions" data-ng-show="!create && access.manageUsers">

services/src/main/java/org/keycloak/services/resources/admin/UserFederationResource.java

@@ -192,6 +192,7 @@ public class UserFederationResource {
     @GET
     @Path("instances")
     @Produces("application/json")
+    @NoCache
     public List<UserFederationProviderRepresentation> getUserFederationInstances() {
         logger.info("getUserFederationInstances");
         auth.requireManage();