Unexpected search window behaviour when changing filter

[pricerc]

With a filter selected on (e.g. in Sales Orders), when using the form's search function, the form's filter is applied to the search window when you open the window. Which is fine. However, if you then change the filter, the newly selected filter is *added* to the form's original filter; it doesn't replace it. Here's a screenshot to illustrate:

Illustration of conflicting filter in Sales Order search

I looked through the KB; https://service.jiwa.com.au/browse/DEV-3545 and https://service.jiwa.com.au/browse/DEV-3716 seem to apply. Both items show as 'resolved', but I'm seeing still this behavior.

Any resolution/workarounds ? (other than changing the filter *before* opening the search window).

[pricerc]

P.S. This definitely isn't *all* forms; the plugin maintenance for, for example, works as expected.