Fix RestartWorker not starting when ping is missing

app/src/main/java/org/unifiedpush/distributor/nextpush/services/RestartWorker.kt

@@ -35,7 +35,14 @@ class RestartWorker(ctx: Context, params: WorkerParameters) : Worker(ctx, params
                 Log.d(TAG, "restartDate: ${restartDate.time}")
                 if (currentDate.after(restartDate)) {
                     Log.d(TAG, "We should have received an event before ${restartDate.time}. Restarting")
-                    /** We do not update [FailureHandler]'s counter, it will be done by the next requests. */
+                    /**
+                     * If there is at least one failure, we do not update [FailureHandler]'s counter,
+                     * it will be done by the next requests.
+                     * Else we add one failure to be sure the service restarts.
+                     */
+                    if (!FailureHandler.hasFailed()) {
+                        FailureHandler.once()
+                    }
                     StartService.startListener(applicationContext)
                     // We consider this run as the first event
                     AppCompanion.lastEventDate = currentDate