[#8322][Platform] No HA config exists is now logged as INFO

Summary:
Fixes T8322
No HA config exists is now logged as INFO

Test Plan: No tests needed to be modified since the response returned is the same

Reviewers: daniel

Reviewed By: daniel

Subscribers: jenkins-bot

Differential Revision: https://phabricator.dev.yugabyte.com/D11683

managed/src/main/java/com/yugabyte/yw/controllers/HAController.java

@@ -10,6 +10,7 @@
 
 package com.yugabyte.yw.controllers;
 
+import com.fasterxml.jackson.databind.JsonNode;
 import com.google.inject.Inject;
 import com.yugabyte.yw.common.ApiResponse;
 import com.yugabyte.yw.common.ha.PlatformReplicationManager;
@@ -22,6 +23,7 @@
 import play.data.FormFactory;
 import play.libs.Json;
 import play.mvc.Result;
+import play.mvc.Results;
 
 import java.util.Optional;
 import java.util.UUID;
@@ -63,7 +65,10 @@ public Result getHAConfig() {
       Optional<HighAvailabilityConfig> config = HighAvailabilityConfig.get();
 
       if (!config.isPresent()) {
-        return ApiResponse.error(NOT_FOUND, "No HA config exists");
+        LOG.debug("No HA config exists");
+
+        JsonNode jsonMsg = Json.newObject().put("error", "No HA config exists");
+        return Results.status(NOT_FOUND, jsonMsg);
       }
 
       return ApiResponse.success(config.get());