Improve the existing validation flow for sieve filter #6205
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Contribution Guidelines
What does this PR include?
This PR improves the existing validation method flow for sieve filter validations.
Short Description
The current validation behavior sends AJAX request form data in $_GET request query. This is problematic and unreliable when validating particularly complex and superrrr loooooooooooooong sieve rules, especially in environments that use reverse proxies--Been having this problem and this PR solves it. :)
Affected Containers
Did you run tests?
Yes.
What did you tested?
The sieve validation feature. :)
https://mail.cow.com/mailbox -> Filters Tab -> Global Prefilter/Postfilter
What were the final results? (Awaited, got)
Should show a toast notif that the sieve filter is valid or is erroneous. ;)