fix(notifications): fix panic when logging failed discord-webhook (#878)

Author: guybrush

backend/pkg/notification/notifications.go

@@ -1170,13 +1170,14 @@ func sendDiscordNotifications() error {
 						}
 						errResp.Status = resp.Status
 						resp.Body.Close()
-					}
 
-					if resp.StatusCode == http.StatusTooManyRequests {
-						log.Warnf("could not push to discord webhook due to rate limit. %v url: %v", errResp.Body, webhook.Url)
-					} else {
-						log.Error(nil, "error pushing discord webhook", 0, map[string]interface{}{"errResp.Body": errResp.Body, "webhook.Url": webhook.Url})
+						if resp.StatusCode == http.StatusTooManyRequests {
+							log.Warnf("could not push to discord webhook due to rate limit. %v url: %v", errResp.Body, webhook.Url)
+						} else {
+							log.Error(nil, "error pushing discord webhook", 0, map[string]interface{}{"errResp.Body": errResp.Body, "webhook.Url": webhook.Url})
+						}
 					}
+
 					_, err = db.FrontendWriterDB.Exec(`UPDATE users_webhooks SET request = $2, response = $3 WHERE id = $1;`, webhook.ID, reqs[i].Content.DiscordRequest, errResp)
 					if err != nil {
 						log.Error(err, "error storing failure data in users_webhooks table", 0)