fix keepalive on connection loss.

app/src/main/java/chat/rocket/android/service/RocketChatService.java

@@ -67,6 +67,9 @@ public class RocketChatService extends Service {
           .findAll();
       for (ServerConfig config : targetConfigs) {
         config.setConnectionError(null);
+        if (config.isTokenVerified()) {
+          config.setTokenVerified(false);
+        }
       }
       return null;
     }).onSuccessTask(task -> {

app/src/main/java/chat/rocket/android/service/RocketChatWebSocketThread.java

@@ -155,6 +155,11 @@ public class RocketChatWebSocketThread extends HandlerThread {
         task.getResult().client.getOnCloseCallback().onSuccess(_task -> {
           quit();
           return null;
+        }).continueWith(_task -> {
+          if (_task.isFaulted()) {
+            ServerConfig.logConnectionError(serverConfigId, _task.getError());
+          }
+          return null;
         });
 
         return null;