[native filter] Instant filter component will generate 2x more fetch

[graceguo-supercat]

How to reproduce the bug

1. Go to dashboard
2. add native filter component and add a value
3. Check Apply changes instantly
4. reload dashboard. You will see every charts are loaded 3 times. This issue cause dashboard load really slow.

Screenshots

Environment

(please complete the following information):

latest master

Checklist

Make sure to follow these steps before submitting your issue - thank you!

• I have checked the superset logs for python stacktraces and included it here as text if there are any.
• I have reproduced the issue with at least the latest released version of superset.
• I have checked the issue tracker for the same issue and I haven't found one similar.

Additional context

cc @junlincc @villebro This issue is reported by open source user.

[zhaoyongjie]

I have reproduced this bug, it depends on the default value whether populated.

[junlincc]

Thanks for reporting and debugging @zhaoyongjie ! is expected behavior triggering query once or twice(with default value set up)?

@michael-s-molina though Apply changes instantly has been problematic, we may not remove it YET, since cascading filter ing built upon this logic.
Alternative is that to remove the Apply changes instantly checkbox, make cascading filter parent filter apply instantly(without any setting).

@simcha90 is probably the best person to solve this issue. 🙏