Table: Advance Filtering is broken about primeng HOT 3 CLOSED

This bug was created when issue #15557 was attempted to be fixed by PR #15594. The issue of clearing the filters when a user doesn't apply the filter is very complicated. I have known about this PrimeNG issue for multiple years and believed there was no straight forward fix. i have spent a few hours trying to see if i could improve the changes introduced by PR #15594 and have failed to find a solution that both fixes this issue #15804 and at a minimum partially fixes #15557. The problem is that there are more than one advance filter (strings, date, multi-select, ...) and they all work slightly differently. Also, there are APIs provided by PrimeNG table that allow a developer to programmatically clear/reset filters. I believe the best short term solution is to just revert the changes made in PR#15594 until a "real" expert can fix this functionality.

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I just reviewed issue: Component: Table (Advanced Filter) #15778. It's similar to the this issue, but not identical. I also confirmed that the problem was caused by the changes made to PR#15594

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Hello, I'm currently looking into this and I think I have a rough solution but would be great to hear your thoughts.
Link to the draft PR
Some more manual testing, code cleanup and unit test needs to be done but It would be great to get some more eyes on it.

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