Updated octopush error handling to accept 000

The legacy octopush API includes an error code with all responses. A
code other than 000 is an error.

Signed-off-by: Matthew Nickson <mnickson@sidingsmedia.com>

server/notification-providers/octopush.js

@@ -54,8 +54,10 @@ class Octopush extends NotificationProvider {
                 // response data
                 let response = await axios.post("https://www.octopush-dm.com/api/sms/json", {}, config);
                 if ("error_code" in response.data) {
+                    if (response.data.error_code !== "000") {
                         this.throwGeneralAxiosError(`Octopush error ${JSON.stringify(response.data)}`);
                     }
+                }
             } else {
                 throw new Error("Unknown Octopush version!");
             }