Allow manual update from task if automatic updating is disabled

scheduler.py

@@ -11,6 +11,8 @@ from datetime import datetime
 scheduler = BackgroundScheduler()
 if automatic == 'True':
     scheduler.add_job(check_and_apply_update, 'interval', hours=6, max_instances=1, coalesce=True, misfire_grace_time=15, id='update_bazarr', name='Update bazarr from source on Github')
+else:
+    scheduler.add_job(check_and_apply_update, 'cron', year='2100', hour=4, id='update_bazarr', name='Update bazarr from source on Github')
 scheduler.add_job(update_series, 'interval', minutes=1, max_instances=1, coalesce=True, misfire_grace_time=15, id='update_series', name='Update series list from Sonarr')
 scheduler.add_job(add_new_episodes, 'interval', minutes=1, max_instances=1, coalesce=True, misfire_grace_time=15, id='add_new_episodes', name='Add new episodes from Sonarr')
 scheduler.add_job(update_all_episodes, 'cron', hour=4, max_instances=1, coalesce=True, misfire_grace_time=15, id='update_all_episodes', name='Update all episodes from Sonarr')