Fix wxToolBarBase::AdjustToolBitmapSize() for HiDPI on OS X

wxOSX's wxToolBar code uses toolbar size computed by
AdjustToolBitmapSize() to determine which of the builtin toolbar sizes
to use. Because AdjustToolBitmapSize() returned 2x the "logical" size,
it would always pick NSToolbarSizeModeRegular regardless of icon size,
resulting in differently-sized toolbar on HiDPI and low-DPI screens.
Use scaled size instead.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78087 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Merge branch 'master' of ../wxWidgets_vanilla_trunk-svn into merge
sync with upstream (SVN); patched for ICC; removed files we do not support

Signed-off-by: Marian 'VooDooMan' Meravy <vdm113@gmail.com>
restore our project files

Signed-off-by: Marian 'VooDooMan' Meravy <vdm113@gmail.com>
restore our git files

Signed-off-by: Marian 'VooDooMan' Meravy <vdm113@gmail.com>
sync with upstream  (GIT); patched for ICC; removed files we do not support

Signed-off-by: Marian 'VooDooMan' Meravy <vdm113@gmail.com>
restore our project files

Signed-off-by: Marian 'VooDooMan' Meravy <vdm113@gmail.com>
restore our git files

Signed-off-by: Marian 'VooDooMan' Meravy <vdm113@gmail.com>