trying 10.5 / 10.6 fix for #15688

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@75364 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Added scrollbar hysteresis detection to stop infinite looping when vertical scrollbar presence or absence affects the content height.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@75373 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Fix for occasionally missing cells in tables

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@75374 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Afrikaans translations update from Friedel Wolff.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@75377 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775