Backported r75108: Fixed print preview glitch and vertical cell alignment.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@75220 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Backported r75109: Corrected multiple cell property editing


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@75221 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775