use app name instead of id

model/api/src/main/java/org/keycloak/models/RealmModel.java

@@ -112,6 +112,7 @@ public interface RealmModel extends RoleContainerModel, RoleMapperModel, ScopeMa
     List<RequiredCredentialModel> getRequiredOAuthClientCredentials();
 
     ApplicationModel getApplicationById(String id);
+    ApplicationModel getApplicationByName(String name);
 
     void addRequiredOAuthClientCredential(String type);