ToolStatus: Fixed Toolbar tooltips for image-only items; Added searchbox imagelist transparency

git-svn-id: http://svn.code.sf.net/p/processhacker/code/2.x/trunk@5361 21ef857c-d57f-4fe0-8362-d861dc6d29cd
updated CHANGELOG.txt

git-svn-id: http://svn.code.sf.net/p/processhacker/code/2.x/trunk@5362 21ef857c-d57f-4fe0-8362-d861dc6d29cd