Small fix

Author: pc9795

src/main/java/com/exceptionless/exceptionlessclient/settings/DefaultSettingsClient.java

@@ -52,7 +52,7 @@ public SettingsResponse getSettings(long version) {
       if (bodyStr == null) {
         return SettingsResponse.builder().code(response.code()).body("").build();
       }
-      if (response.isSuccessful()) {
+      if (!response.isSuccessful()) {
         return SettingsResponse.builder().code(response.code()).body(bodyStr).build();
       }
 

src/main/java/com/exceptionless/exceptionlessclient/submission/DefaultSubmissionClient.java

@@ -115,7 +115,7 @@ public void sendHeartBeat(String sessionIdOrUserId, boolean closeSession) {
 
       Response response = httpClient.newCall(request).execute();
 
-      if (response.isSuccessful()) {
+      if (!response.isSuccessful()) {
         log.error(
             String.format(
                 "Error in submitting heartbeat to the server for sessionOrUserId: %s",