Web Inspector: debugger buttons are scrolled along with the sidebar content.
https://bugs.webkit.org/show_bug.cgi?id=110434

Reviewed by Vsevolod Vlasov.

* inspector/front-end/scriptsPanel.css:
(div.sidebar-pane-stack#scripts-debug-sidebar-contents, #scripts-sidebar-stack-pane):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143567 268f45cc-cd09-0410-ab3c-d52691b4dbfc